1587641-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1587641-01-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,7,6,4 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1587641-01:
(9*1)+(8*5)+(7*8)+(6*7)+(5*6)+(4*4)+(3*1)+(2*0)+(1*1)=197
197 % 10 = 7
So 1587641-01-7 is a valid CAS Registry Number.