Rosuvastatin Intermediate R1 289042-12-2

Product Information

Product name	tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate; Rosuvastatin Intermediate R1
CAS No.	289042-12-2
Molecular Formula	C29H40FN3O6S
Molecular Weight	116.3
Quality Standard	99% up by HPLC, Single impurity < 0.3%, total impurities < 0.5%
Appearance	White to off-white powder

COA

ANALYSIS	SPECIFICATION	RESULTS
Appearance	White to off-white powder	White powder
Identification(by HPLC)	The retention time of the sample peak should correspond to that of standard.	Conforms
Loss on drying	≤1.0%	0.09%
Related substances	·Isomer ≤0.1%	0.01%
	·Any single impurity ≤0.3%	0.08%
	·Total impurities ≤0.5%	0.09%
Purity	≥ 99.0%	99.91%
Conclusion	The sample complies with the Requirements of In House Specifications.