74999-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74999-14-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,9 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74999-14:
(7*7)+(6*4)+(5*9)+(4*9)+(3*9)+(2*1)+(1*4)=187
187 % 10 = 7
So 74999-14-7 is a valid CAS Registry Number.