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Home → Products → Impurities Certified Reference Materials → C
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Impurities Certified Reference Materials

Chlorpheniramine Related Compound B

  • Catalog number: RSC00435
  • Status: In stock
  • Molecular formula: C10H9N3
  • CAS registry number: 1202-34-2
  • Capacity: 25 mg
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Cytidine 5-monophosphate

  • Catalog number: RSX02226
  • Status: BackOrdered
  • Molecular formula: C9H14N3O8P
  • CAS registry number: 63-37-6
  • Capacity: 500 mg
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Chrysin

  • Catalog number: RSX02200
  • Status: BackOrdered
  • Molecular formula: C15H10O4
  • CAS registry number: 480-40-0
  • Capacity: 100 mg
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Chloropropyl Vanillin

  • Catalog number: RSV02091
  • Status: BackOrdered
  • Molecular formula: C11H13ClO3
  • CAS registry number: 151719-92-5
  • Capacity: 25 mg
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Clopidogrel Diester Analog

  • Catalog number: RSC00531
  • Status: BackOrdered
  • Molecular formula: C24H21Cl2NO4S.H2SO4
  • CAS registry number: 1421283-60-4 (free base)
  • Capacity: 10 mg
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Clopidogrel Amide

  • Catalog number: RSC00530
  • Status: BackOrdered
  • Molecular formula: C15H15ClN2OS
  • CAS registry number: 444728-13-6
  • Capacity: 25 mg
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cis-Risperidone N-Oxide

  • Catalog number: RSR01783
  • Status: BackOrdered
  • Molecular formula: C23H27FN4O3
  • CAS registry number: 1894509-66-0
  • Capacity: 100 mg
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cis-Lurasidone Hydrochloride

  • Catalog number: RSL01227
  • Status: BackOrdered
  • Molecular formula: C28H36N4O2S.HCl
  • CAS registry number: 139563-25-0
  • Capacity: 25 mg
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Chloroquine Related Compound A

  • Catalog number: RSH00970
  • Status: BackOrdered
  • Molecular formula: C9H5Cl2N
  • CAS registry number: 86-98-6
  • Capacity: 15 mg
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Choline Fenofibrate

  • Catalog number: RSF00866
  • Status: BackOrdered
  • Molecular formula: C17H14ClO4. C5H14NO+
  • CAS registry number: 856676-23-8
  • Capacity: 50 mg
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Cromolyn Related Compound B

  • Catalog number: RSC00568
  • Status: BackOrdered
  • Molecular formula: C27H24O11
  • CAS registry number: 16150-45-1
  • Capacity: 25 mg
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Clopidogrel Open Ring Hydrochloride

  • Catalog number: RSC00535
  • Status: BackOrdered
  • Molecular formula: C15H16ClNO2S.HCl
  • CAS registry number: 141109-19-5
  • Capacity: 25 mg
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Clopidogrel Open Ring R-enantiomer

  • Catalog number: RSC00537
  • Status: BackOrdered
  • Molecular formula: C15H16ClNO2S. HCl
  • CAS registry number: 1258938-54-3
  • Capacity: 25 mg
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Clopidogrel Quaternary Salt

  • Catalog number: RSC00539
  • Status: BackOrdered
  • Molecular formula: C16H15ClNO2S. Br
  • CAS registry number: 2418591-12-3
  • Capacity: 25 mg
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Clopidogrel-Beta-D-glucuronide

  • Catalog number: RSC00542
  • Status: BackOrdered
  • Molecular formula: C21H22ClNO8S
  • CAS registry number: 1314116-53-4
  • Capacity: 10 mg
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Clotrimazole Impurity F

  • Catalog number: RSC00554
  • Status: BackOrdered
  • Molecular formula: C22H18N2
  • CAS registry number: 15469-97-3
  • Capacity: 25 mg
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Cromolyn Related Compound A

  • Catalog number: RSC00567
  • Status: BackOrdered
  • Molecular formula: C19H20O7
  • CAS registry number: 16150-44-0
  • Capacity: 25 mg
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Cyproheptadine Impurity A

  • Catalog number: RSC00571
  • Status: BackOrdered
  • Molecular formula: C15H12
  • CAS registry number: 256-81-5
  • Capacity: 40 mg
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Cyproheptadine Impurity B

  • Catalog number: RSC00572
  • Status: BackOrdered
  • Molecular formula: C15H10O
  • CAS registry number: 2222-33-5
  • Capacity: 25 mg
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Cyproheptadine Impurity C

  • Catalog number: RSC00573
  • Status: BackOrdered
  • Molecular formula: C21H23NO
  • CAS registry number: 3967-32-6
  • Capacity: 25 mg
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Clopidogrel Related Compound C

  • Catalog number: RSC00525
  • Status: BackOrdered
  • Molecular formula: C16H16ClNO2S.H2SO4
  • CAS registry number: 120202-71-3
  • Capacity: 20 mg
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Clopidogrel Related Compound B

  • Catalog number: RSC00524
  • Status: BackOrdered
  • Molecular formula: C16H17Cl2NO2S
  • CAS registry number: 144750-52-7
  • Capacity: 20 mg
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Clonazepam Related Compound C

  • Catalog number: RSC00520
  • Status: BackOrdered
  • Molecular formula: C15H10BrClN2O4
  • CAS registry number: 52130-87-7
  • Capacity: 25 mg
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Clarithromycin Related Compound A

  • Catalog number: RSC00490
  • Status: BackOrdered
  • Molecular formula: C39H71NO13
  • CAS registry number: 81103-14-2
  • Capacity: 25 mg
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Clarithromycin Impurity D

  • Catalog number: RSC00491
  • Status: BackOrdered
  • Molecular formula: C37H67NO13
  • CAS registry number: 101666-68-6
  • Capacity: 10 mg
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Clarithromycin Impurity H

  • Catalog number: RSC00492
  • Status: BackOrdered
  • Molecular formula: C38H67NO14
  • CAS registry number: 127140-69-6
  • Capacity: 10 mg
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Clarithromycin Impurity Q

  • Catalog number: RSC00493
  • Status: BackOrdered
  • Molecular formula: C38H69NO14
  • CAS registry number: 118074-07-0
  • Capacity: 10 mg
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Clarithromycin Impurity R

  • Catalog number: RSC00494
  • Status: BackOrdered
  • Molecular formula: C36H65NO13
  • CAS registry number: 992-62-1
  • Capacity: 10 mg
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Clarithromycin E-Oxime

  • Catalog number: RSC00495
  • Status: BackOrdered
  • Molecular formula: C38H70N2O13
  • CAS registry number: 127253-06-9
  • Capacity: 25 mg
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Clarithromycin Z-Oxime

  • Catalog number: RSC00497
  • Status: BackOrdered
  • Molecular formula: C38H70N2O13
  • CAS registry number: 127253-05-8
  • Capacity: 25 mg
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Clidinium Bromide Related Compound A

  • Catalog number: RSC00504
  • Status: BackOrdered
  • Molecular formula: C8H16NO.Br
  • CAS registry number: 2096336-00-2
  • Capacity: 250 mg
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Clonazepam Related Compound A

  • Catalog number: RSC00518
  • Status: BackOrdered
  • Molecular formula: C15H10ClN3O3
  • CAS registry number: 55198-89-5
  • Capacity: 25 mg
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Clonazepam Related Compound B

  • Catalog number: RSC00519
  • Status: BackOrdered
  • Molecular formula: C13H9ClN2O3
  • CAS registry number: 2011-66-7
  • Capacity: 25 mg
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Clarithromycin Furanyl Analog

  • Catalog number: RSC00496
  • Status: BackOrdered
  • Molecular formula: C30H51NO8
  • CAS registry number: 127157-35-1
  • Capacity: 25 mg
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Clopidogrel Related Compound A

  • Catalog number: RSC00522
  • Status: BackOrdered
  • Molecular formula: C15H14ClNO2S.HCl
  • CAS registry number: 144750-42-5
  • Capacity: 20 mg
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Cetirizine Related Compound B

  • Catalog number: RSC00419
  • Status: BackOrdered
  • Molecular formula: C19H24N2O.2HCl
  • CAS registry number: 108983-83-1
  • Capacity: 25 mg
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Cetirizine Related Compound C

  • Catalog number: RSC00420
  • Status: BackOrdered
  • Molecular formula: C21H26ClN3O2
  • CAS registry number: 83881-37-2
  • Capacity: 25 mg
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Cetirizine Hydrochloride Methyl Ester

  • Catalog number: RSC00424
  • Status: BackOrdered
  • Molecular formula: C22H27ClN2O3.2HCl
  • CAS registry number: 83881-48-5
  • Capacity: 100 mg
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Cetirizine N-Oxide

  • Catalog number: RSC00425
  • Status: BackOrdered
  • Molecular formula: C21H25ClN2O4
  • CAS registry number: 1076199-80-8
  • Capacity: 25 mg
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Chlordiazepoxide Related Compound A

  • Catalog number: RSC00430
  • Status: BackOrdered
  • Molecular formula: C15H11ClN2O2
  • CAS registry number: 963-39-3
  • Capacity: 25 mg
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Chlordiazepoxide Impurity C

  • Catalog number: RSC00431
  • Status: BackOrdered
  • Molecular formula: C13H10ClNO
  • CAS registry number: 719-59-5
  • Capacity: 25 mg
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Chlorphenamine Impurity B

  • Catalog number: RSC00435
  • Status: BackOrdered
  • Molecular formula: C10H9N3
  • CAS registry number: 1202-34-2
  • Capacity: 25 mg
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Chlorpheniramine Related Compound C

  • Catalog number: RSC00436
  • Status: BackOrdered
  • Molecular formula: C19H21ClN2O4
  • CAS registry number: 22630-25-7
  • Capacity: 10 mg
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Chlorthalidone Related Compound A

  • Catalog number: RSC00441
  • Status: BackOrdered
  • Molecular formula: C14H10ClNO5S
  • CAS registry number: 5270-74-6
  • Capacity: 10 mg
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Chlorthalidone Ethyl Ether

  • Catalog number: RSC00446
  • Status: BackOrdered
  • Molecular formula: C16H15ClN2O4S
  • CAS registry number: 1369995-36-7
  • Capacity: 25 mg
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Ciprofloxacin Ethylenediamine Analog

  • Catalog number: RSC00463
  • Status: BackOrdered
  • Molecular formula: C15H16FN3O3.HCl
  • CAS registry number: 528851-31-2
  • Capacity: 25 mg
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Ciprofloxacin Formamide

  • Catalog number: RSC00467
  • Status: BackOrdered
  • Molecular formula: C18H18FN3O4
  • CAS registry number: 93594-39-9
  • Capacity: 25 mg
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Cetirizine Related Compound A

  • Catalog number: RSC00418
  • Status: BackOrdered
  • Molecular formula: N/A
  • CAS registry number: 246870-46-2
  • Capacity: 20 mg
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Celecoxib Impurity IV

  • Catalog number: RSC00408
  • Status: BackOrdered
  • Molecular formula: C9H10O
  • CAS registry number: 122-00-9
  • Capacity: 100 mg
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Cefadroxil Related Compound B

  • Catalog number: RSC00375
  • Status: BackOrdered
  • Molecular formula: C8H10N2O3S
  • CAS registry number: 22252-43-3
  • Capacity: 25 mg
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Cefadroxil Related Compound D

  • Catalog number: RSC00376
  • Status: BackOrdered
  • Molecular formula: C16H17N3O5S
  • CAS registry number: 144790-28-3
  • Capacity: 25 mg
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Cefadroxil Related Compound I

  • Catalog number: RSC00377
  • Status: BackOrdered
  • Molecular formula: C16H17N3O5S
  • CAS registry number: 147103-94-4
  • Capacity: 25 mg
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Cefdinir Related Compound A

  • Catalog number: RSC00381
  • Status: BackOrdered
  • Molecular formula: C14H15N5O6S2
  • CAS registry number: 178422-42-9
  • Capacity: 10 mg
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Cefdinir Related Compound B

  • Catalog number: RSC00382
  • Status: BackOrdered
  • Molecular formula: C14H14N4O4S2
  • CAS registry number: 79350-10-0
  • Capacity: 10 mg
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Cefepime Related Compound D

  • Catalog number: RSC00385
  • Status: BackOrdered
  • Molecular formula: C6H7N3O3S
  • CAS registry number: 65872-41-5
  • Capacity: 20 mg
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Cefepime Related Compound E

  • Catalog number: RSC00386
  • Status: BackOrdered
  • Molecular formula: C13H20ClN3O3S
  • CAS registry number: 103121-85-3
  • Capacity: 20 mg
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Cefotaxime Related Compound E

  • Catalog number: RSC00392
  • Status: BackOrdered
  • Molecular formula: C14H13N5O5S2
  • CAS registry number: 66340-33-8
  • Capacity: 15 mg
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Ceftriaxone Sodium E-Isomer

  • Catalog number: RSC00394
  • Status: BackOrdered
  • Molecular formula: C18H16N8Na2O7S3
  • CAS registry number: 97164-54-0
  • Capacity: 25 mg
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Ceftriaxone Triazine Analog

  • Catalog number: RSC00396
  • Status: BackOrdered
  • Molecular formula: C4H5N3O2S
  • CAS registry number: 58909-39-0
  • Capacity: 25 mg
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Ceftriaxone Benzothiazolyl Oxime

  • Catalog number: RSC00397
  • Status: BackOrdered
  • Molecular formula: C13H10N4O2S3
  • CAS registry number: 80756-85-0
  • Capacity: 25 mg
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Celecoxib Related Compound A

  • Catalog number: RSC00401
  • Status: BackOrdered
  • Molecular formula: C17H14F3N3O2S
  • CAS registry number: 170570-01-1
  • Capacity: 10 mg
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Celecoxib Related Compound C

  • Catalog number: RSC00403
  • Status: BackOrdered
  • Molecular formula: C18H16F3N3O2S
  • CAS registry number: 170570-09-9
  • Capacity: 25 mg
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Celecoxib Impurity II

  • Catalog number: RSC00406
  • Status: BackOrdered
  • Molecular formula: C6-H8-N2-O2-S
  • CAS registry number: 63-74-1
  • Capacity: 100 mg
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Carbamazepine Related Compound A

  • Catalog number: RSC00352
  • Status: BackOrdered
  • Molecular formula: C15H14N2O
  • CAS registry number: 3564-73-6
  • Capacity: 30 mg
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Capecitabine Related Compound B

  • Catalog number: RSC00341
  • Status: BackOrdered
  • Molecular formula: C9H11FN2O5
  • CAS registry number: 3094-09-5
  • Capacity: 20 mg
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Capecitabine Related Compound C

  • Catalog number: RSC00342
  • Status: BackOrdered
  • Molecular formula: C16H20FN3O7
  • CAS registry number: 921769-65-5
  • Capacity: 10 mg
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Carbamazepine Related compound B

  • Catalog number: RSC00353
  • Status: BackOrdered
  • Molecular formula: C14H11N
  • CAS registry number: 256-96-2
  • Capacity: 50 mg
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Carbamazepine Impurity E

  • Catalog number: RSC00354
  • Status: BackOrdered
  • Molecular formula: C14H13N
  • CAS registry number: 494-19-9
  • Capacity: 25 mg
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Carbamazepine Dione

  • Catalog number: RSC00357
  • Status: BackOrdered
  • Molecular formula: C15H10N2O3
  • CAS registry number: 537693-29-1
  • Capacity: 25 mg
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Carvedilol Related Compound A

  • Catalog number: RSC00366
  • Status: BackOrdered
  • Molecular formula: C36H43N3O7
  • CAS registry number: 1198090-73-1
  • Capacity: 15 mg
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Carvedilol Related Compound B

  • Catalog number: RSC00367
  • Status: BackOrdered
  • Molecular formula: C39H39N3O6
  • CAS registry number: 918903-20-5
  • Capacity: 15 mg
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Carvedilol Related Compound C

  • Catalog number: RSC00368
  • Status: BackOrdered
  • Molecular formula: C31H32N2O4
  • CAS registry number: 72955-94-3
  • Capacity: 20 mg
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Carvedilol Related Compound D

  • Catalog number: RSC00369
  • Status: BackOrdered
  • Molecular formula: C15H13NO2
  • CAS registry number: 51997-51-4
  • Capacity: 15 mg
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Carglumic Acid Related Compound A

  • Catalog number: RSC00361
  • Status: BackOrdered
  • Molecular formula: C6H8N2O4
  • CAS registry number: 17027-50-8
  • Capacity: 30 mg
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Caffiene Impurity F

  • Catalog number: RSC00326
  • Status: BackOrdered
  • Molecular formula: C7H8N4O2
  • CAS registry number: 611-59-6
  • Capacity: 20 mg
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Caffeine Impurity B

  • Catalog number: RSC00322
  • Status: BackOrdered
  • Molecular formula: C7H10N4O3
  • CAS registry number: 7597-60-6
  • Capacity: 25 mg
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Caffeine Impurity C

  • Catalog number: RSC00323
  • Status: BackOrdered
  • Molecular formula: C8H10N4O2
  • CAS registry number: 519-32-4
  • Capacity: 20 mg
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Caffeidine Hydrochloride

  • Catalog number: RSC00327
  • Status: BackOrdered
  • Molecular formula: C7H12N4O.HCl
  • CAS registry number: 107605-95-8
  • Capacity: 25 mg
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Candesartan Cilexetil Related Compound A

  • Catalog number: RSC00330
  • Status: BackOrdered
  • Molecular formula: C26H24N6O3
  • CAS registry number: 139481-58-6
  • Capacity: 10 mg
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Candesartan Cilexetil Related Compound D

  • Catalog number: RSC00333
  • Status: BackOrdered
  • Molecular formula: C33H34N6O6
  • CAS registry number: 1185256-03-4
  • Capacity: 10 mg
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Candesartan Cilexetil Related Compound F

  • Catalog number: RSC00335
  • Status: BackOrdered
  • Molecular formula: C35H38N6O6
  • CAS registry number: 914613-36-8
  • Capacity: 10 mg
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Candesartan Cilexetil Related Compound G

  • Catalog number: RSC00336
  • Status: BackOrdered
  • Molecular formula: C24H20N6O3
  • CAS registry number: 139481-59-7
  • Capacity: 10 mg
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Capecitabine Related Compound A

  • Catalog number: RSC00340
  • Status: BackOrdered
  • Molecular formula: C9H12FN3O4
  • CAS registry number: 66335-38-4
  • Capacity: 15 mg
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Candesartan Cilexetil Related Compound B

  • Catalog number: RSC00331
  • Status: BackOrdered
  • Molecular formula: C31H30N6O6
  • CAS registry number: 869631-11-8
  • Capacity: 10 mg
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Chlorobutoxyquinolinone

  • Catalog number: RSA00173
  • Status: BackOrdered
  • Molecular formula: C13H16ClNO2
  • CAS registry number: 120004-79-7
  • Capacity: 25 mg
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Citalopram Related Compound H

  • Catalog number: RSC00480
  • Status: BackOrdered
  • Molecular formula: C19H21BrFNO.BrH
  • CAS registry number: 479065-02-6
  • Capacity: 25 mg
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Citalopram Related Compound F

  • Catalog number: RSC00478
  • Status: BackOrdered
  • Molecular formula: C18H21N.ClH
  • CAS registry number: 55011-89-7
  • Capacity: 25 mg
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Citalopram Related Compound E

  • Catalog number: RSC00477
  • Status: BackOrdered
  • Molecular formula: C20H21FN2O2.ClH
  • CAS registry number: 62498-71-9
  • Capacity: 25 mg
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Citalopram Related Compound D

  • Catalog number: RSC00475
  • Status: BackOrdered
  • Molecular formula: C19H19FN2O.ClH
  • CAS registry number: 97743-99-2
  • Capacity: 25 mg
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Citalopram Related Compound C

  • Catalog number: RSC00474
  • Status: BackOrdered
  • Molecular formula: C20H19FN2O2.C2H2O4
  • CAS registry number: 1440961-11-4
  • Capacity: 25 mg
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Citalopram Related Compound B

  • Catalog number: RSC00472
  • Status: BackOrdered
  • Molecular formula: C20H21FN2O2.C2H2O4
  • CAS registry number: 1332724-03-4
  • Capacity: 25 mg
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Citalopram Related Compound A

  • Catalog number: RSC00470
  • Status: BackOrdered
  • Molecular formula: C20H23FN2O2
  • CAS registry number: 64372-56-1
  • Capacity: 25 mg
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Clotrimazole Related Compound A

  • Catalog number: RSC00550
  • Status: BackOrdered
  • Molecular formula: C19H15ClO
  • CAS registry number: 66774-02-5
  • Capacity: 25 mg
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Clobetasol Propionate Related Compound A

  • Catalog number: RSC02250
  • Status: BackOrdered
  • Molecular formula: C25H30ClFO4
  • CAS registry number: 1486466-31-2
  • Capacity: 50 mg
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Caffeine Related Compound D

  • Catalog number: RSC00324
  • Status: BackOrdered
  • Molecular formula: C7H8N4O2
  • CAS registry number: 83-67-0
  • Capacity: 500 mg
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Celecoxib Related Compound B

  • Catalog number: RLP-080
  • Status: BackOrdered
  • Molecular formula: C17H14F3N3O2S
  • CAS registry number: 331943-04-5
  • Capacity: 10 mg
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