Cas no for 128-13-2,Ursodeoxycholic acid ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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[CAS Name] Ursodeoxycholic acid

[Formula] C24H39O4

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[CAS Name]Ursodeoxycholic acid
[Alias]3,7-Dihydroxycholan-24-oic acid; 3alpha,7beta-Dihydroxy-6beta-cholan-24-oic acid; Ursodiol; 2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethanol; (3alpha,5beta,7alpha)-3,7-dihydroxycholan-24-oic acid; (3alpha,5beta,7beta)-3,7-dihydroxycholan-24-oic acid; (4R)-4-[(3R,5S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid; (4R)-4-[(3R,5S,7S,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid; (3alpha,5beta,7beta,8xi,9xi,14xi)-3,7-dihydroxycholan-24-oic acid; (3alpha,5beta,7beta)-3,7-dihydroxycholan-24-oate; (3alpha,5alpha,7beta)-3,7-dihydroxycholan-24-oate
[Number]128-13-2
[EINECS]204-879-3
[Formula]C24H39O4
[Molecular weight]391.5646

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Hangzhou Huisheng Biotech Pharmaceutical Co., Ltd.

CAS:128-13-2

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TIANJIN HARMONY TECHNOLOGY DEVELOPMENT CO.,LTD.

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Hunan Flag Bio-technology Co.,Ltd.

检验项目 Item	检验标准 Inspection Standard	检验结果 Results
外观Appearance	White or almost white crystalline powder, 白色或类白色结晶粉末	Conforms
鉴别 Identification	Enterprise Standard 企业标准	Conforms
有关物质 Related Substance	Lithocholic Acid ≤0.1% 胆石酸 ≤0.1%	Conforms
比旋度Specific Optical Rotation	+58 - +62°	+60.0°
熔点 Melting Piont	200℃ -204℃	201.3℃-202.6℃
干燥失重 Loss on drying	≤1.0%	0.6 %
灼烧残渣 Ignition residue	≤0.1%	0.08%
含量 Assay	≥ 99.0％—101.0％	100.8%
重金属 Heavy Mental	≤ 10ppm	Conforms
液相纯度 Purity HPLC	CDCA ≤1.0%	0.22%
	Max. each impurity ≤0.1% 总杂	0.095%
	Total Impurity ≤1.5%	0.44%
结论：本品经检验，各项指标均符合企业标准。 Conclusion: The product Conforms to the standard.

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