29777-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29777-18-2 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 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 29777-18:
(7*2)+(6*9)+(5*7)+(4*7)+(3*7)+(2*1)+(1*8)=162
162 % 10 = 2
So 29777-18-2 is a valid CAS Registry Number.