229643-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229643-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,6,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 229643-31:
(8*2)+(7*2)+(6*9)+(5*6)+(4*4)+(3*3)+(2*3)+(1*1)=146
146 % 10 = 6
So 229643-31-6 is a valid CAS Registry Number.