871878-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871878-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871878-74:
(8*8)+(7*7)+(6*1)+(5*8)+(4*7)+(3*8)+(2*7)+(1*4)=229
229 % 10 = 9
So 871878-74-9 is a valid CAS Registry Number.