Diuretic Spironolactone CAS No 52-01-7

• Function: Urinary System Agents
• Certification: GMP
• Grade Standard: Medicine Grade
• Type: Chemical Reagent
• State: Solid
• Volatile: Not Volatile
• Model NO.: SAMREAL-0812
• Transport Package: Drum
• Specification: 20kg/drum
• Trademark: samreal
• Origin: China

Product Description

Spironolactone cas no 52-01-7

The detailed specifications are as below:

Items	Standard	Results
Appearance(Ph.Eur.)	A white or yellowish-white powder	White powder
Solubility(Ph.Eur.)(annual)	practically insoluble in water,soluble in ethanol (96 per cent)	Complies
Identification A.IR -spectrum(Ph.Eur.) A.IR -spectrum(USP) B.TLC(Ph.Eur.) B.UV Absorption(USP) C. Colour Reaction(Ph.Eur.) C.Precipitate reaction(USP)	meets the requirement meets the requirement meets the requirement meets the requirement meets the requirement meets the requirement	Complies Complies Complies Complies Complies Complies
Specific optical rotation (Ph.Eur.) (USP)	between -46° and -41° between -41° and -45°	-43.3° -43.7°
Loss on drying (Ph.Eur.) (USP)	not more than 0.5% not more than 0.5%	0.14% 0.12%
Sulphated ash(Ph.Eur)	not more than 0.1%	0.00%
Related substances(Ph.Eur.) Impurity A Impurity F Impurity C Impurity D Impurity E Impurity I Any unspecified impurity Total	not more than 0.2% not more than 0.3% not more than 0.2% not more than 0.15% not more than 0.3% not more than 0.5% not more than 0.10% not more than 0.7%	ND ND ND ND ND ND Complies 0.07%
Ordinary impurities(USP)	not more than 2.0%	Complies
Free thiol compounds(Ph.Eur.)	a blue colour develops	Complies
Free mercapto compounds(USP)	not more than 0.10ml	Complies
Assay HPLC (Ph.Eur.) HPLC (USP)	between 97.5 % and 102.0 % between 97.0 % and 103.0 %	99.4% 100.1%
Residual solvent(In-house) Methanol Tetrahydrofuran DMF	not more than 3000ppm not more than 720ppm not more than 880ppm	6ppm Less than LOD(0.4ppm) Less than LOD(43ppm)
Particle size(In-house)	95% not more than 20 microns	Complies

For customer reference only.
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NINGBO SAMREAL CHEMICAL CO.,LTD.authorized by China Foreign Trade & Economic Bureau, is a comprehensive chemical enterprise intergrating technological development,production, sales and service into a whole. We have close cooperating relationship with many stable good manufacturers, which gives us the advantage to provide our customers with qualified products and good services.
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