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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

Mesalamine degradant product II chemical structure

Mesalamine degradant product II

CAS: 147396-05-2
Formula: C₂₀H₁₅N₃O₇
MW: 409.3 g/mol

VQ-031797

Reference Standard

Mesalamine degradant product III

Mesalamine degradant product III

CAS: 147396-06-3
Formula: C₂₀H₁₄N₂O₈
MW: 410.3 g/mol

VQ-031798

Reference Standard

Mesalamine degradant product IV

Mesalamine degradant product IV

CAS: 147419-92-9
Formula: C₂₇H₁₉N₃O₁₀
MW: 545.5 g/mol

VQ-031799

Reference Standard

Mesalamine-d3 chemical structure

CAS: 1309283-32-6
Formula: C₇H₇NO₃
MW: 156.15 g/mol

VQ-038322

Reference Standard

Mesalazine -13C6 Hydrochloride chemical structure

Mesalazine -13C6 Hydrochloride

CAS: 1261398-47-3
Formula: C₇H₈ClNO₃
MW: 195.55 g/mol

VQ-049051

Reference Standard

Mesalazine EP Impurity I chemical structure

Mesalazine EP Impurity I

CAS: 3147-53-3
Formula: C₁₃H₁₀N₂O₃
MW: 242.23 g/mol

VQ-023075

Reference Standard

Mesalazine EP Impurity J chemical structure

Mesalazine EP Impurity J

CAS: 112725-89-0
Formula: C₇H₈N₂O₃
MW: 168.15 g/mol

VQ-023076

Reference Standard

Mesalazine EP Impurity J DiHCl chemical structure

Mesalazine EP Impurity J DiHCl

CAS: 2514682-10-9
Formula: C₇H₈N₂O₃
MW: 168.15 g/mol

VQ-038318

Reference Standard

Mesalazine EP Impurity P chemical structure

Mesalazine EP Impurity P

CAS: 887256-40-8
Formula: C₁₃H₁₁NO₆S
MW: 309.3 g/mol

VQ-023077

Reference Standard

Mesalazine EP Impurity R chemical structure

Mesalazine EP Impurity R

CAS: 85-38-1
Formula: C₇H₅NO₅
MW: 183.12 g/mol

VQ-023074

Reference Standard

Mesalazine EP Impurity S chemical structure

Mesalazine EP Impurity S

CAS: 1797983-23-3
Formula: C₁₄H₁₂N₂O₅
MW: 288.25 g/mol

VQ-023078

Reference Standard

Mesalazine Hydrochloride chemical structure

Mesalazine Hydrochloride

CAS: 6291-36-7
Formula: C₇H₈ClNO₃
MW: 189.59 g/mol

VQ-007571

Reference Standard

Mesalazine Impurity 17 chemical structure

Mesalazine Impurity 17

CAS: 71082-02-5
Formula: C₁₈H₁₅N₃O₃
MW: 321.3 g/mol

VQ-031796

Reference Standard

Mesalazine N-Beta-D-Glucoside chemical structure

Mesalazine N-Beta-D-Glucoside

CAS: 123135-21-7
Formula: C₁₃H₁₇NO₈
MW: 315.28 g/mol

VQ-038320

Reference Standard

Mesalazine Sodium chemical structure

Mesalazine Sodium

CAS: 35589-28-7
Formula: C₇H₆NNaO₃
MW: 175.12 g/mol

VQ-007572

Reference Standard

Mesalazine WS chemical structure

CAS: 89-57-6
Formula: C₇H₇NO₃
MW: 153.14 g/mol

In stock

Reference Standard

Mesembrenol chemical structure

CAS: 25516-15-8
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

VQ-038325

Reference Standard

Mesembrine chemical structure

CAS: 24880-43-1
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

VQ-038323

Reference Standard

Mesna chemical structure

CAS: 19767-45-4
Formula: C₂H₅NaO₃S₂
MW: 164.18 g/mol

VQ-031800

Reference Standard

Mesna EP Impurity A chemical structure

Mesna EP Impurity A

CAS: 25985-57-3
Formula: C₃H₈N₂O₃S₂
MW: 184.2 g/mol

VQ-026617

Reference Standard

Mesna EP Impurity B chemical structure

Mesna EP Impurity B

CAS: 1391053-66-9
Formula: C₄H₁₀N₄O₃S₂
MW: 226.3 g/mol

VQ-026618

Reference Standard

Mesna EP Impurity C chemical structure

Mesna EP Impurity C

CAS: 69536-71-6
Formula: C₄H₈O₄S₂
MW: 184.2 g/mol

VQ-034864

Reference Standard

Mesna EP impurity C (Sodium salt) chemical structure

Mesna EP impurity C (Sodium salt)

CAS: 76274-71-0
Formula: C₄H₇NaO₄S₂
MW: 206.2 g/mol

VQ-049055

Reference Standard

Mesna EP Impurity D chemical structure

Mesna EP Impurity D

CAS: 45127-11-5
Formula: C₄H₁₀O₆S₄
MW: 282.4 g/mol

VQ-026620

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