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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

Carboplatin Impurity 7 (OH2) chemical structure

Carboplatin Impurity 7 (OH2)

CAS: 873662-13-6
Formula: C₆H₁₂NO₅Pt⁺
MW: 373.25 g/mol

VQ-036153

Reference Standard

Carboprost chemical structure

CAS: 35700-23-3
Formula: C₂₁H₃₆O₅
MW: 368.5 g/mol

VQ-044200

Reference Standard

Carboprost Trometamol EP Impurity B chemical structure

Carboprost Trometamol EP Impurity B

CAS: 35864-81-4
Formula: C₂₁H₃₆O₅
MW: 368.5 g/mol

VQ-024785

Reference Standard

Carboprost Tromethamine chemical structure

Carboprost Tromethamine

CAS: 58551-69-2
Formula: C₂₅H₄₇NO₈
MW: 489.6 g/mol

VQ-022010

Reference Standard

Carbosulfan chemical structure

CAS: 55285-14-8
Formula: C₂₀H₃₂N₂O₃S
MW: 380.5 g/mol

VQ-032350

Reference Standard

Carbovir chemical structure

CAS: 120443-30-3
Formula: C₁₁H₁₃N₅O₂
MW: 247.25 g/mol

VQ-043918

Reference Standard

Carbovir chemical structure

CAS: 118353-05-2
Formula: C₁₁H₁₃N₅O₂
MW: 247.25 g/mol

VQ-047301

Reference Standard

Carboxy Dabrafenib chemical structure

Carboxy Dabrafenib

CAS: 1195873-54-1
Formula: C₂₃H₁₈F₃N₅O₄S₂
MW: 549.5 g/mol

VQ-025149

Reference Standard

Carboxy Gliclazide chemical structure

Carboxy Gliclazide

CAS: 38173-52-3
Formula: C₁₅H₁₉N₃O₅S
MW: 353.4 g/mol

VQ-037526

Reference Standard

Carboxy primaquine chemical structure

Carboxy primaquine

CAS: 77229-68-6
Formula: C₁₅H₁₈N₂O₃
MW: 274.31 g/mol

VQ-041666

Reference Standard

Carbutamide chemical structure

CAS: 339-43-5
Formula: C₁₁H₁₇N₃O₃S
MW: 271.34 g/mol

VQ-036157

Reference Standard

Carbuterol chemical structure

CAS: 34866-47-2
Formula: C₁₃H₂₁N₃O₃
MW: 267.32 g/mol

VQ-043492

Reference Standard

Carcinine Dihydrochloride chemical structure

Carcinine Dihydrochloride

CAS: 57022-38-5
Formula: C₈H₁₆Cl₂N₄O
MW: 255.14 g/mol

VQ-040412

Reference Standard

Carebastine chemical structure

CAS: 90729-42-3
Formula: C₃₂H₃₇NO₄
MW: 499.6 g/mol

VQ-025458

Reference Standard

Carebastine-D5 chemical structure

CAS: 1189661-02-6
Formula: C₃₂H₃₇NO₄
MW: 504.7 g/mol

VQ-036867

Reference Standard

Carfilzomib (2R,4R)-Diol chemical structure

Carfilzomib (2R,4R)-Diol

CAS: 2049025-83-2
Formula: C₄₀H₅₉N₅O₈
MW: 737.9 g/mol

VQ-035047

Reference Standard

Carfilzomib (2R,4S)-2-Hydroxy Acetate chemical structure

Carfilzomib (2R,4S)-2-Hydroxy Acetate

CAS: 1541171-69-0
Formula: C₄₂H₆₁N₅O₉
MW: 780 g/mol

VQ-044342

Reference Standard

Carfilzomib (2R,4S)-Diol chemical structure

Carfilzomib (2R,4S)-Diol

CAS: 1541172-75-1
Formula: C₄₀H₅₉N₅O₈
MW: 737.9 g/mol

VQ-024789

Reference Standard

Carfilzomib Cyclic dimer

Carfilzomib Cyclic dimer

Formula: C₂₀H₂₂N₂O₂
MW: 322.4 g/mol

In stock

Reference Standard

Carfilzomib Cyclic Dimer(St-I)

Carfilzomib Cyclic Dimer(St-I)

Formula: C₂₇H₃₆N₂O₅
MW: 468.59 g/mol

In stock

Reference Standard

Carfilzomib Di Acid Impurity chemical structure

Carfilzomib Di Acid Impurity

CAS: 35309-53-6
Formula: C₈H₁₀N₂O₆
MW: 230.17 g/mol

In stock

Reference Standard

Carfilzomib Impurity 100

Carfilzomib Impurity 100

CAS: 2556763-77-8
Formula: C₄₀H₅₇N₅O₆
MW: 703.91 g/mol

VQ-045297

Reference Standard

Carfilzomib Impurity 11(RRSRS) chemical structure

Carfilzomib Impurity 11(RRSRS)

CAS: 2803420-45-1
Formula: C₄₀H₅₇N₅O₇
MW: 719.9 g/mol

VQ-047693

Reference Standard

Carfilzomib Impurity 16 (SSSSS)

Carfilzomib Impurity 16 (SSSSS)

CAS: 1396006-50-0
Formula: C₄₀H₅₉N₅O₈
MW: 737.9 g/mol

VQ-045009

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