86971-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86971-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,7 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 86971-23:
(7*8)+(6*6)+(5*9)+(4*7)+(3*1)+(2*2)+(1*3)=175
175 % 10 = 5
So 86971-23-5 is a valid CAS Registry Number.