1146977-92-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1146977-92-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,9,7 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1146977-92:
(9*1)+(8*1)+(7*4)+(6*6)+(5*9)+(4*7)+(3*7)+(2*9)+(1*2)=195
195 % 10 = 5
So 1146977-92-5 is a valid CAS Registry Number.
1146977-92-5Relevant articles and documents
PROCESS FOR THE PREPARATION OF ATORVASTATIN
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Page/Page column 22-23, (2009/05/30)
The present invention relates to a process for preparing the cholesterol biosynthesis inhibitor atorvastatin, (3R,5R)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-lH-pyrrol-l-yl]-3,5-dihydroxyheptanoic acid calcium salt, which comprises