137919-14-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137919-14-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,1 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137919-14:
(8*1)+(7*3)+(6*7)+(5*9)+(4*1)+(3*9)+(2*1)+(1*4)=153
153 % 10 = 3
So 137919-14-3 is a valid CAS Registry Number.