29772-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29772-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,7,7 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 29772-99:
(7*2)+(6*9)+(5*7)+(4*7)+(3*2)+(2*9)+(1*9)=164
164 % 10 = 4
So 29772-99-4 is a valid CAS Registry Number.