87013-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87013-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,1 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87013-72:
(7*8)+(6*7)+(5*0)+(4*1)+(3*3)+(2*7)+(1*2)=127
127 % 10 = 7
So 87013-72-7 is a valid CAS Registry Number.