Allopurinol - Impurity E — Impurity Reference Standard

Buy Allopurinol - Impurity E (CAS 31055-19-3) impurity reference standard from Spectrasynth Pharmachem. Custom synthesis available — enquire for pricing, COA and availability.

• Product Code: SSPC-A01194
• CAS No.: 31055-19-3
• Chemical Name: 3-(Formylamino)-1H-pyrazole-4-carboxylic Acid Ethyl Ester
• Synonyms: 3-Formamidopyrazole-4-carboxylic Acid Ethyl Ester; Ethyl 3-(Formylamino)-1H-pyrazole-4-carboxylate; 5-Formylamino-1H-pyrazole-4-carboxylic acid Ethyl Ester; Allopurinol Impurity E;
• Molecular Formula: C7H9N3O3
• Molecular Weight: 183.16
• Appearance: White to Pale Pink Solid
• Storage: 2-8°C Refrigerator
• Application: It is a building block provided in solution form for convenient handling. It also promotoes the cation exchange reaction for fast doping Cu ions into ZnSe nanocrystals. it is used in preparation method of Submicron Superfine cadmium Sulfoselenide-coated pigment.