537718-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 537718-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,7,7,1 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 537718-14:
(8*5)+(7*3)+(6*7)+(5*7)+(4*1)+(3*8)+(2*1)+(1*4)=172
172 % 10 = 2
So 537718-14-2 is a valid CAS Registry Number.
537718-14-2Relevant articles and documents
Processes for preparing C-7 substituted steroids
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Page/Page column 4; 10, (2008/06/13)
This invention relates to processes for the preparation of novel 7-carboxy substituted steroid compounds of Formula I,