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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

Milbemycin A4 chemical structure

CAS: 51596-11-3
Formula: C₃₂H₄₆O₇
MW: 542.7 g/mol

VQ-026695

Reference Standard

Milbemycin A4 Oxime chemical structure

Milbemycin A4 Oxime

CAS: 93074-04-5
Formula: C₃₂H₄₅NO₇
MW: 555.7 g/mol

VQ-031906

Reference Standard

Milbemycin EP Impurity C chemical structure

Milbemycin EP Impurity C

CAS: 77855-81-3
Formula: C₃₃H₄₈O₇
MW: 556.7 g/mol

VQ-031903

Reference Standard

Milbemycin EP Impurity F chemical structure

Milbemycin EP Impurity F

CAS: 86691-98-7
Formula: C₃₁H₄₂O₇
MW: 526.7 g/mol

VQ-031904

Reference Standard

Milbemycin EP Impurity G chemical structure

Milbemycin EP Impurity G

CAS: 93074-02-3
Formula: C₃₃H₄₇NO₇
MW: 569.7 g/mol

VQ-043601

Reference Standard

Milbemycin K chemical structure

CAS: 86691-97-6
Formula: C₃₂H₄₄O₇
MW: 540.7 g/mol

VQ-026696

Reference Standard

Milbemycin Oxime chemical structure

Milbemycin Oxime

CAS: 129496-10-2
Formula: C₆₃H₈₈N₂O₁₄
MW: 1097.4 g/mol

VQ-031902

Reference Standard

Mildronate chemical structure

CAS: 76144-81-5
Formula: C₆H₁₄N₂O₂
MW: 146.19 g/mol

VQ-031907

Reference Standard

Milnacipran EP Impurity C chemical structure

Milnacipran EP Impurity C

CAS: 70209-83-5
Formula: C₁₁H₁₂O₃
MW: 192.21 g/mol

VQ-027072

Reference Standard

Milnacipran EP Impurity G chemical structure

Milnacipran EP Impurity G

CAS: 1353644-49-1
Formula: C₁₅H₂₁NO₂
MW: 247.33 g/mol

VQ-023137

Reference Standard

Milnacipran EP Impurity H

Milnacipran EP Impurity H

CAS: 1575528-93-6
Formula: C₂₄H₂₉N₃O₃
MW: 407.51 g/mol

VQ-023138

Reference Standard

Milnacipran EP Impurity I chemical structure

Milnacipran EP Impurity I

CAS: 1575528-97-0
Formula: C₂₄H₂₉N₃O₃
MW: 407.5 g/mol

VQ-026703

Reference Standard

Milnacipran EP Impurity K

Milnacipran EP Impurity K

CAS: 1575529-05-3
Formula: C₃₈H₄₆N₄O₄
MW: 622.8 g/mol

VQ-026701

Reference Standard

Milnacipran EP Impurity M chemical structure

Milnacipran EP Impurity M

CAS: 871100-19-5
Formula: C₁₁H₁₃NO₂
MW: 191.23 g/mol

VQ-026700

Reference Standard

Milnacipran Impurity 4

Milnacipran Impurity 4

CAS: 1623020-56-3
Formula: C₁₉H₁₅NO₄
MW: 321.33 g/mol

VQ-049116

Reference Standard

Milrinone IMpurity 2 chemical structure

Milrinone IMpurity 2

CAS: 400063-10-7
Formula: C₁₂H₇N₃O₂
MW: 225.2 g/mol

VQ-045334

Reference Standard

Milrinone Lactate chemical structure

Milrinone Lactate

CAS: 100286-97-3
Formula: C₁₅H₁₅N₃O₄
MW: 301.3 g/mol

VQ-038408

Reference Standard

Milrinone USP Related Compound A chemical structure

Milrinone USP Related Compound A

CAS: 80047-24-1
Formula: C₁₂H₁₁N₃O₂
MW: 229.23 g/mol

VQ-026704

Reference Standard

Minaprine chemical structure

CAS: 25905-77-5
Formula: C₁₇H₂₂N₄O
MW: 298.4 g/mol

VQ-038412

Reference Standard

Minaprine dihydrochloride chemical structure

Minaprine dihydrochloride

CAS: 25953-17-7
Formula: C₁₇H₂₄Cl₂N₄O
MW: 371.3 g/mol

VQ-038411

Reference Standard

Minocycline chemical structure

CAS: 10118-90-8
Formula: C₂₃H₂₇N₃O₇
MW: 457.5 g/mol

In stock

Reference Standard

Minocycline 9-Methylamino Impurity chemical structure

Minocycline 9-Methylamino Impurity

CAS: 607402-73-3
Formula: C₂₄H₃₀N₄O₇
MW: 486.5 g/mol

VQ-026713

Reference Standard

Minocycline Amino Ethyl Derivative chemical structure

Minocycline Amino Ethyl Derivative

CAS: 4756-93-8
Formula: C₂₃H₂₇N₃O₇
MW: 457.5 g/mol

VQ-031929

Reference Standard

Minocycline dihydrochloride chemical structure

Minocycline dihydrochloride

CAS: 59046-78-5
Formula: C₂₃H₂₉Cl₂N₃O₇
MW: 530.4 g/mol

VQ-007583

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