19772-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19772-69-1 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, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19772-69:
(7*1)+(6*9)+(5*7)+(4*7)+(3*2)+(2*6)+(1*9)=151
151 % 10 = 1
So 19772-69-1 is a valid CAS Registry Number.