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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

14,098products

1,516in stock

COA + SDSwith every lot

Reference Standard

Glu 24-Glucagon

Glu 24-Glucagon

CAS: 308356-99-2
Formula: C₁₅₃H₂₂₄N₄₂O₅₀S
MW: 3483.73 g/mol

VQ-044737

Reference Standard

Glu 3-Glucagon

CAS: 108997-34-8
Formula: -
MW: 3483.78 g/mol

VQ-044736

Reference Standard

Glu-4-Oxytocin chemical structure

CAS: 4314-67-4
Formula: C₄₃H₆₅N₁₁O₁₃S₂
MW: 1008.2 g/mol

VQ-027345

Reference Standard

Glucopyranose chemical structure

CAS: 54-17-1
Formula: C₆H₁₂O₆
MW: 180.16 g/mol

VQ-028488

Reference Standard

Glucose - Impurity C chemical structure

Glucose - Impurity C

CAS: 113158-51-3
Formula: C₁₈H₃₂O₁₆
MW: 504.4 g/mol

VQ-040165

Reference Standard

Glutamic Acid Impurity 1 chemical structure

Glutamic Acid Impurity 1

CAS: 328086-57-3
Formula: C₁₄H₂₂N₂O₆
MW: 314.33 g/mol

VQ-036163

Reference Standard

Glutamic Acid Impurity-2

Glutamic Acid Impurity-2

CAS: 57744-92-0
Formula: C₁₃H₂₂N₂O₇
MW: 318.32 g/mol

VQ-005040

Reference Standard

Glutamic Acid Impurity-2 (DiHydrochloride)

Glutamic Acid Impurity-2 (DiHydrochloride)

Formula: C₁₃H₂₂N₂O_7.2ClH
MW: 391.24 g/mol

In stock

Reference Standard

Glutamic Acid Impurity-3

Glutamic Acid Impurity-3

CAS: 1539311-25-5
Formula: C₁₃H₂₂N₂O₇
MW: 318.32 g/mol

VQ-005042

Reference Standard

Glutamic Acid Impurity-3 (DiHydrochloride)

Glutamic Acid Impurity-3 (DiHydrochloride)

Formula: C₁₃H₂₂N₂O_7.2ClH
MW: 391.24 g/mol

In stock

Reference Standard

Glutamic Acid- E-DEA (N-1) Impurity

Glutamic Acid- E-DEA (N-1) Impurity

Formula: C₁₄H₂₆N₂O₅
MW: 302.37 g/mol

In stock

Reference Standard

Glutamic Acid- E-DEA (N-2) Impurity

Glutamic Acid- E-DEA (N-2) Impurity

Formula: C₁₅H₂₈N₂O₅
MW: 316.39 g/mol

In stock

Reference Standard

Glutaramic acid chemical structure

Glutaramic acid

CAS: 25335-74-4
Formula: C₅H₉NO₃
MW: 131.13 g/mol

VQ-043844

Reference Standard

Gly-9-Carbetocin Acid

Gly-9-Carbetocin Acid

CAS: 1352167-71-5
Formula: C₄₅H₆₈N₁₀O₁₃S
MW: 989.15 g/mol

VQ-021998

Reference Standard

Glycerin-1-(4-aminobenzoat) chemical structure

Glycerin-1-(4-aminobenzoat)

CAS: 136-44-7
Formula: C₁₀H₁₃NO₄
MW: 211.21 g/mol

VQ-037565

Reference Standard

Glycerylphosphoinositol chemical structure

Glycerylphosphoinositol

CAS: 2816-11-7
Formula: C₉H₁₉O₁₁P
MW: 334.21 g/mol

VQ-044364

Reference Standard

Glycidol chemical structure

CAS: 556-52-5
Formula: C₃H₆O₂
MW: 74.08 g/mol

VQ-026438

Reference Standard

Glycine Bisphosphonate chemical structure

Glycine Bisphosphonate

CAS: 41003-10-5
Formula: C₂H₉NO₇P₂
MW: 221.04 g/mol

VQ-031013

Reference Standard

Glycocholic Acid Dimer chemical structure

Glycocholic Acid Dimer

CAS: 3081473-18-6
Formula: C₅₂H₈₄N₂O₁₁
MW: 913.2 g/mol

VQ-048545

Reference Standard

Glycocholic Acid Ethyl Ester chemical structure

Glycocholic Acid Ethyl Ester

CAS: 517904-33-5
Formula: C₂₈H₄₇NO₆
MW: 493.7 g/mol

VQ-031016

Reference Standard

Glycocholic acid sodium chemical structure

Glycocholic acid sodium

CAS: 863-57-0
Formula: C₂₆H₄₂NNaO₆
MW: 487.6 g/mol

VQ-031018

Reference Standard

Glycodeoxycholic acid chemical structure

Glycodeoxycholic acid

CAS: 360-65-6
Formula: C₂₆H₄₃NO₅
MW: 449.6 g/mol

VQ-032337

Reference Standard

Glycodeoxycholic Acid Ethyl Ester chemical structure

Glycodeoxycholic Acid Ethyl Ester

CAS: 70779-06-5
Formula: C₂₈H₄₇NO₅
MW: 477.7 g/mol

VQ-031015

Reference Standard

Glycopyrrolate Impurity I chemical structure

Glycopyrrolate Impurity I

CAS: 1404453-68-4
Formula: C₁₉H₂₇BrClNO₃
MW: 432.8 g/mol

VQ-026012

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