157848-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157848-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,8,4 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157848-88:
(8*1)+(7*5)+(6*7)+(5*8)+(4*4)+(3*8)+(2*8)+(1*8)=189
189 % 10 = 9
So 157848-88-9 is a valid CAS Registry Number.
157848-88-9Relevant articles and documents
STEROID COMPOUND
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Page/Page column 5, (2012/02/04)
A steroid compound of the Formula (1): [wherein R1 represents a group selected from the group consisting of H, CH3, C2H5, C3H7 and CH (CH3)2, R2 represents a group selected from NH2, NHAc and OCOR1, R3 represents a group selected from the group consisting of CH3, COOCH3 and CH2OCOR1.]
