873671-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873671-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,6,7 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 873671-52:
(8*8)+(7*7)+(6*3)+(5*6)+(4*7)+(3*1)+(2*5)+(1*2)=204
204 % 10 = 4
So 873671-52-4 is a valid CAS Registry Number.