19912-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19912-27-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,1 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19912-27:
(7*1)+(6*9)+(5*9)+(4*1)+(3*2)+(2*2)+(1*7)=127
127 % 10 = 7
So 19912-27-7 is a valid CAS Registry Number.