873936-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873936-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,3 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873936-99:
(8*8)+(7*7)+(6*3)+(5*9)+(4*3)+(3*6)+(2*9)+(1*9)=233
233 % 10 = 3
So 873936-99-3 is a valid CAS Registry Number.