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Allopurinol EP Impurity B

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COA COO

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Allopurinol EP Impurity B

Impurity

CAS Number

22407-20-1

Molecular Formula

C5H6N4O2

Product format

Neat

Molecular Weight

154.13

USP Description

Allopurinol Related Compound B

EP Description

Allopurinol impurity B CRS

Storage

+5°C

Shipping

Room Temperature

API Family

Allopurinol

Synonyms

1H-Pyrazole-4-carboxamide, 3-(formylamino)-, Pyrazole-4-carboxamide, 3-formamido- (8CI), 42W88, Ph Eur Allopurinol Impurity B and USP Allopurinol Related Compound B

Smiles

NC(=O)c1cn[nH]c1NC=O

Iupac Name

5-formamido-1H-pyrazole-4-carboxamide

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COA COO

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Available products

Pack Size SKU
Category Expected Delivery Price Quantity
25mg
CE3034.12-25MG

3-4 weeks

100mg
CE3034.12-100MG

3-4 weeks

25mg
CD3034.12-25MG

3-5 weeks

100mg
CD3034.12-100MG

3-5 weeks

25mg
CB3034.12-25MG

4-5 weeks

100mg
CB3034.12-100MG

4-5 weeks

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Product Type

Impurity

Our Impurity Characterized Standards portfolio comprises more than 5,000 compounds accompanied by a comprehensive CoA which can be found in 3 product categories that include a set of different analytical techniques for determining Identity and Purity.

API

We have designed a range of primary API standards manufactured according to international regulations that come with the most extensive Certificate of Analysis which includes Identity checks by several techniques.

Excipient

Excipients standards comes with a detailed Certificate of Analysis with Identity, Purity and Assay data. They are also suitable for use with non-compendial analytical methods.

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Synthesis

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