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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.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Sapropterin Impurity 7 chemical structure

Sapropterin Impurity 7

CAS: 6228-40-6
Formula: C₇H₈N₂
MW: 120.15 g/mol

VQ-033759

Reference Standard

Sapropterin Impurity A chemical structure

Sapropterin Impurity A

CAS: 5752-25-0
Formula: C₆H₁₀ClN₅O
MW: 203.63 g/mol

VQ-027982

Reference Standard

Saquinavir Mesilate EP Impurity A chemical structure

Saquinavir Mesilate EP Impurity A

CAS: 136465-98-0
Formula: C₁₄H₁₃N₃O₄
MW: 287.27 g/mol

VQ-027109

Reference Standard

Saquinavir Mesilate EP Impurity C chemical structure

Saquinavir Mesilate EP Impurity C

CAS: 136522-17-3
Formula: C₂₄H₃₉N₃O₂
MW: 401.6 g/mol

VQ-027987

Reference Standard

Saquinavir mesylate chemical structure

Saquinavir mesylate

CAS: 149845-06-7
Formula: C₃₉H₅₄N₆O₈S
MW: 766.9 g/mol

VQ-027986

Reference Standard

Sarafloxacin chemical structure

CAS: 98105-99-8
Formula: C₂₀H₁₇F₂N₃O₃
MW: 385.4 g/mol

VQ-033764

Reference Standard

Sarafloxacin Hydrochloride chemical structure

Sarafloxacin Hydrochloride

CAS: 91296-87-6
Formula: C₂₀H₁₈ClF₂N₃O₃
MW: 421.8 g/mol

VQ-042095

Reference Standard

Sarafloxacin-d8 Hydrochloride chemical structure

Sarafloxacin-d8 Hydrochloride

CAS: 2733145-07-6
Formula: C₂₀H₁₈ClF₂N₃O₃
MW: 429.9 g/mol

VQ-042096

Reference Standard

Sarecycline chemical structure

CAS: 1035654-66-0
Formula: C₂₄H₂₉N₃O₈
MW: 487.5 g/mol

VQ-033765

Reference Standard

Sarecycline Hydrochloride chemical structure

Sarecycline Hydrochloride

CAS: 1035979-44-2
Formula: C₂₄H₃₀ClN₃O₈
MW: 524 g/mol

VQ-042097

Reference Standard

Saroglitazar chemical structure

CAS: 495399-09-2
Formula: C₂₅H₂₉NO₄S
MW: 439.6 g/mol

VQ-033766

Reference Standard

Sarolaner chemical structure

CAS: 1398609-39-6
Formula: C₂₃H₁₈Cl₂F₄N₂O₅S
MW: 581.4 g/mol

VQ-033767

Reference Standard

Sarpogrelate Hydrochloride chemical structure

Sarpogrelate Hydrochloride

CAS: 135159-51-2
Formula: C₂₄H₃₂ClNO₆
MW: 466 g/mol

VQ-044994

Reference Standard

Sarpogrelate Related Compound II chemical structure

Sarpogrelate Related Compound II

CAS: 1659311-44-0
Formula: C₂₄H₃₁NO₇
MW: 445.5 g/mol

VQ-042104

Reference Standard

Sartanbiphenrl chemical structure

CAS: 153959-55-8
Formula: C₁₄H₁₁N
MW: 193.24 g/mol

VQ-044927

Reference Standard

Satranidazole chemical structure

CAS: 56302-13-7
Formula: C₈H₁₁N₅O₅S
MW: 289.27 g/mol

VQ-033768

Reference Standard

Saxagliptin Amide Impurity chemical structure

Saxagliptin Amide Impurity

CAS: 1496712-39-0
Formula: C₁₈H₂₇N₃O₃
MW: 333.4 g/mol

In stock

Reference Standard

Saxagliptin EP Impurity A chemical structure

Saxagliptin EP Impurity A

CAS: 1350800-76-8
Formula: C₁₈H₂₅N₃O₂
MW: 315.4 g/mol

VQ-027988

Reference Standard

Saxagliptin EP Impurity C chemical structure

Saxagliptin EP Impurity C

CAS: 1350800-77-9
Formula: C₁₈H₂₄N₂O₃
MW: 316.4 g/mol

In stock

Reference Standard

Saxagliptin Hydrate chemical structure

Saxagliptin Hydrate

CAS: 945667-22-1
Formula: C₁₈H₂₇N₃O₃
MW: 333.4 g/mol

In stock

Reference Standard

Saxagliptin Hydrochloride chemical structure

Saxagliptin Hydrochloride

CAS: 709031-78-7
Formula: C₁₈H₂₆ClN₃O₂
MW: 351.9 g/mol

In stock

Reference Standard

Saxagliptin Hydrochloride Dihydrate chemical structure

Saxagliptin Hydrochloride Dihydrate

CAS: 1073057-20-1
Formula: C₁₈H₃₀ClN₃O₄
MW: 387.9 g/mol

VQ-033769

Reference Standard

Saxagliptin Hydrochloride Monohydrate chemical structure

Saxagliptin Hydrochloride Monohydrate

CAS: 1370409-28-1
Formula: C₁₈H₂₈ClN₃O₃
MW: 369.9 g/mol

VQ-042117

Reference Standard

Saxagliptin Impurity 41 chemical structure

Saxagliptin Impurity 41

CAS: 865999-67-3
Formula: C₆H₉ClN₂
MW: 144.6 g/mol

VQ-042113

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