871977-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871977-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,7 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 871977-10:
(8*8)+(7*7)+(6*1)+(5*9)+(4*7)+(3*7)+(2*1)+(1*0)=215
215 % 10 = 5
So 871977-10-5 is a valid CAS Registry Number.