872283-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872283-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,2,8 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 872283-74:
(8*8)+(7*7)+(6*2)+(5*2)+(4*8)+(3*3)+(2*7)+(1*4)=194
194 % 10 = 4
So 872283-74-4 is a valid CAS Registry Number.