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Theophylline Impurity 19 (Mixture of Z and E Isomers)

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COA COO

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Theophylline Impurity 19 (Mixture of Z and E Isomers)

Impurity

CAS Number

29214-62-8

Molecular Formula

C8H12O4

Product format

Neat

Molecular Weight

172.18

API Family

Theophylline

Synonyms

ethyl 3-acetoxybut-2-enoate

Iupac Name

ethyl (Z)-3-acetyloxybut-2-enoate

InChI

InChI=1S/C8H12O4/c1-4-11-8(10)5-6(2)12-7(3)9/h5H,4H2,1-3H3/b6-5-

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COA COO

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Available products

Pack Size SKU
Category Expected Delivery Price Quantity
25mg
CE4429.24-25MG

3-4 weeks

25mg
CD4429.24-25MG

3-5 weeks

25mg
CB4429.24-25MG

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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