19772-26-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19772-26-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,7 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19772-26:
(7*1)+(6*9)+(5*7)+(4*7)+(3*2)+(2*2)+(1*6)=140
140 % 10 = 0
So 19772-26-0 is a valid CAS Registry Number.