CAS 31055-19-3

Allopurinol EP Impurity E

CAS: 31055-19-3

Formel: C₇H₉N₃O₃

Molekulargewicht: 183.2

Ref: ST-EA-CP-A12005

Allopurinol impurity E

CAS: 31055-19-3

Allopurinol impurity E

Farbe und Form: White

Ref: 47-845

Allopurinol Related Compound E (Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate)

CAS: 31055-19-3

Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoi

Formel: C₇H₉N₃O₃

Farbe und Form: White Off-White Powder

Molekulargewicht: 183.06439

Ref: 45-1013068

3-(Formylamino)-1H-pyrazole-4-carboxylic Acid Ethyl Ester

CAS: 31055-19-3

Formel: C₇H₉N₃O₃

Reinheit: 99%

Farbe und Form: Solid

Molekulargewicht: 183.1647

Ref: IN-DA00C2TB

Allopurinol EP Impurity E

CAS: 31055-19-3

Formel: C₇H₉N₃O₃

Farbe und Form: Off-White Solid

Molekulargewicht: 183.17

Ref: 4Z-A-698

Ethyl 5-(Formylamino)-1H-pyrazole-4-carboxylate

CAS: 31055-19-3

Farbe und Form: Neat

Ref: 86-MM0034.06

3-(Formylamino)-1H-pyrazole-4-carboxylic Acid Ethyl Ester

CAS: 31055-19-3

Impurity Allopurinol EP Impurity E / Allopurinol USP Related Compound E
Applications 3-(Formylamino)-1H-pyrazole-4-carboxylic Acid Ethyl Ester (Allopurinol EP Impurity E) is an impurity of Allopurinol (A547300), a pyrazole derivative that has been shown to induce neoplasm immunogenicity.
References Nicolin, A. et al.: Cancer, Chemother. Rep., 57, 3 (1973); Bonmassar, E. et al.: Cancer Res., 35, 1957 (1975)

Formel: C₇H₉N₃O₃

Farbe und Form: White

Molekulargewicht: 183.16

Ref: TR-F696760

Allopurinol impurity E

CAS: 31055-19-3

This product is a synthetic impurity of Allopurinol. It is a cyclization reaction product of dimethylhydrazine and allopurinol in the presence of an organic solvent such as DMF.

Formel: C₇H₉N₃O₃

Reinheit: Min. 95%

Molekulargewicht: 183.16 g/mol

Ref: 3D-IA63602