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Allopurinol Impurity A
Synonyms: 3-Amino-4-carboxamidopyrazole Hemisulfate; 3-Amino-1H-pyrazole-4-carboxamide Hemisulfate; 3-Amino-Pyrazole-4-carboxamide Hemisulfate, EP Allopurinol Impurity A Hemisulfate;USP Allopurinol Related Compound A;
Cat. No.: A33001	CAS No.: ‭27511-79-1‬,freebase: 5334-31-6
MDL.:	Formula: C4H6N4O•1/2H2O4S
F.W.175.16	Purity: 99％
Storage: Freezer (-20°C)

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Catalog Number：	A33001		CAS No.:	‭27511-79-1‬,freebase: 5334-31-6
MDL:			Formula:	C4H6N4O•1/2H2O4S
F.W.:	175.16		Purity:	99％
Package:			Unit:	mg
Appearance:	Off-White to Pale Yellow Solid		M.P.:	225-227°C
B.P.:			Density:
Optical Rotation:			Refractive Index:
Solubility:	DMSO, Water		Stability:
Storage:	Freezer (-20°C)		Category:	Reference Standard
Reference:	Nicolin, A. et al.: Cancer, Chemother. Rep., 57, 3 (1973); Bonmassar, E. et al.: Cancer Res., 35, 1957 (1975);
Application:	Allopurinol impurity. A pyrazole derivative that has been shown to induce neoplasm immunogenicity.
Category:	Amines, Aromatics, Heterocycles, Pharmaceuticals, Intermediates & Fine Chemicals

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