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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Ixabepilone chemical structure

CAS: 219989-84-1
Formula: C₂₇H₄₂N₂O₅S
MW: 506.7 g/mol

VQ-031353

Reference Standard

Ixazomib chemical structure

CAS: 1072833-77-2
Formula: C₁₄H₁₉BCl₂N₂O₄
MW: 361 g/mol

VQ-026277

Reference Standard

Ixazomib Citrate chemical structure

Ixazomib Citrate

CAS: 1239908-20-3
Formula: C₂₀H₂₃BCl₂N₂O₉
MW: 517.1 g/mol

VQ-026278

Reference Standard

Ixazomib Impurity 1 chemical structure

Ixazomib Impurity 1

CAS: 1201903-02-7
Formula: C₂₄H₃₃BCl₂N₂O₄
MW: 495.2 g/mol

VQ-031356

Reference Standard

Jacobine chemical structure

CAS: 6870-67-3
Formula: C₁₈H₂₅NO₆
MW: 351.4 g/mol

VQ-032661

Reference Standard

Jacobine N-oxide chemical structure

Jacobine N-oxide

CAS: 38710-25-7
Formula: C₁₈H₂₅NO₇
MW: 367.4 g/mol

VQ-039650

Reference Standard

Josamycin chemical structure

CAS: 16846-24-5
Formula: C₄₂H₆₉NO₁₅
MW: 828 g/mol

VQ-031501

Reference Standard

Josamycin EP Impurity A chemical structure

Josamycin EP Impurity A

CAS: 18361-46-1
Formula: C₄₁H₆₇NO₁₅
MW: 814 g/mol

VQ-026280

Reference Standard

Josamycin EP Impurity B chemical structure

Josamycin EP Impurity B

CAS: 40361-41-9
Formula: C₄₂H₇₁NO₁₅
MW: 830 g/mol

VQ-026281

Reference Standard

Josamycin EP Impurity D chemical structure

Josamycin EP Impurity D

CAS: 22340-94-9
Formula: C₄₂H₆₉NO₁₅
MW: 828 g/mol

VQ-031357

Reference Standard

Josamycin EP Impurity E chemical structure

Josamycin EP Impurity E

CAS: 40615-47-2
Formula: C₄₃H₇₁NO₁₅
MW: 842 g/mol

VQ-026282

Reference Standard

Josamycin EP Impurity F chemical structure

Josamycin EP Impurity F

CAS: 22875-15-6
Formula: C₃₅H₅₉NO₁₃
MW: 701.8 g/mol

VQ-026283

Reference Standard

Josamycin EP Impurity G chemical structure

Josamycin EP Impurity G

CAS: 18361-49-4
Formula: C₃₇H₆₁NO₁₄
MW: 743.9 g/mol

VQ-031360

Reference Standard

Josamycin EP Impurity H chemical structure

Josamycin EP Impurity H

CAS: 16846-34-7
Formula: C₄₀H₆₇NO₁₄
MW: 786 g/mol

VQ-026284

Reference Standard

Josamycin EP Impurity I chemical structure

Josamycin EP Impurity I

CAS: 18361-47-2
Formula: C₃₈H₆₃NO₁₄
MW: 757.9 g/mol

VQ-031361

Reference Standard

Josamycin EP Impurity J

Josamycin EP Impurity J

CAS: 851759-08-5
Formula: C₄₃H₇₁NO₁₅
MW: 842.02 g/mol

VQ-031362

Reference Standard

Josamycin EP Impurity K chemical structure

Josamycin EP Impurity K

CAS: 18361-48-3
Formula: C₄₀H₆₅NO₁₅
MW: 799.9 g/mol

VQ-026285

Reference Standard

Josamycin Propionate chemical structure

Josamycin Propionate

CAS: 40922-77-8
Formula: C₄₅H₇₃NO₁₆
MW: 884.1 g/mol

VQ-031363

Reference Standard

Josamycin Propionate EP Impurity A chemical structure

Josamycin Propionate EP Impurity A

CAS: 610800-05-0
Formula: C₄₂H₆₇NO₁₆
MW: 842 g/mol

VQ-031358

Reference Standard

Josamycin Propionate EP Impurity B chemical structure

Josamycin Propionate EP Impurity B

CAS: 56827-17-9
Formula: C₄₂H₆₉NO₁₅
MW: 828 g/mol

VQ-031359

Reference Standard

Josamycin Propionate EP Impurity C chemical structure

Josamycin Propionate EP Impurity C

CAS: 209549-21-3
Formula: C₄₆H₇₅NO₁₆
MW: 898.1 g/mol

VQ-044667

Reference Standard

Josamycin Propionate EP Impurity D chemical structure

Josamycin Propionate EP Impurity D

CAS: 209549-20-2
Formula: C₄₈H₇₇NO₁₇
MW: 940.1 g/mol

VQ-048734

Reference Standard

Jujuboside A chemical structure

CAS: 55466-04-1
Formula: C₅₈H₉₄O₂₆
MW: 1207.3 g/mol

VQ-040377

Reference Standard

Kaempferol 3-O-Galactoside chemical structure

Kaempferol 3-O-Galactoside

CAS: 23627-87-4
Formula: C₂₁H₂₀O₁₁
MW: 448.4 g/mol

VQ-037798

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