Cas no for 315-30-0,4-Hydroxypyrazolo[3,4-d]pyrimidine ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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[CAS Name] 4-Hydroxypyrazolo[3,4-d]pyrimidine

[Formula] C5H4N4O

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[CAS Name]4-Hydroxypyrazolo[3,4-d]pyrimidine
[Alias]Allopurinol; Hydroxypyrazolodpyrimidine; pyrazolo(3,4-d)pyrimidin-1-ol; 4-Hydroxypyrazolo(3,4-d)-pyrimidine; 1H-Pyrazolo[3,4-d]pyrimidin-4-ol; ACO; 1,2-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one
[Number]315-30-0
[EINECS]206-250-9
[Formula]C5H4N4O
[Molecular weight]136.1115

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Hangzhou Maytime Bio-Tech Co.,Ltd.

Allopurinol is used to treat hyperuricemia(excess uric acid in blood plasma) and its complications,including chronic gout.

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Hangzhou Dragonpharm Co.,Ltd

GMP approved factory，stable supplying, competitive price

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Changzhou Comwin Fine Chemicals Co., Ltd.

Items	Specification
Appearance	White or almost white powder
Formamide	220ppm max
Solubility	Soluble in solutions of potassium and sodium hydroxide; very slightly soluble in water and in alcohol; practically insoluble in chloroform and in ether.
Identification	Conform with IR spectrum
Clarity of solution	Clear 3FIU max (5%m/vin 2NaOH)
Related Substances (%)	Impurity A NMT 0.2 Impurity B NMT 0.2 Impurity C NMT 0.2 Impurity D NMT 0.2 Impurity E NMT 0.2 Impurity F NMT 0.2 Any individual unspecified impurity: not more than 0.1 % Total impurities: not more than 1.0 %
Loss on drying (%)	NMT 0.5
Hydrazine	NMT 10PPM
Residual solvents	Ethanol NMT 1000ppm Other solvent NMT 200ppm
Assay (%)	98.0%~102.0%
Standard	USP38

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