70871-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70871-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,7 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70871-23:
(7*7)+(6*0)+(5*8)+(4*7)+(3*1)+(2*2)+(1*3)=127
127 % 10 = 7
So 70871-23-7 is a valid CAS Registry Number.