87770-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87770-13-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,7 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87770-13:
(7*8)+(6*7)+(5*7)+(4*7)+(3*0)+(2*1)+(1*3)=166
166 % 10 = 6
So 87770-13-6 is a valid CAS Registry Number.
87770-13-6Relevant articles and documents
Process for C-methylation of 2-methylbutyrates
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, (2008/06/13)
Mevinolin, compactin and dihydro- and tetrahydro derivatives thereof are converted to more active HMG-CoA reductase inhibitors by C-methylation of the natural 2(S)-methylbutyryloxy side chain to form a 2,2-dimethylbutyryloxy side chain.