99683-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99683-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,8 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99683-29:
(7*9)+(6*9)+(5*6)+(4*8)+(3*3)+(2*2)+(1*9)=201
201 % 10 = 1
So 99683-29-1 is a valid CAS Registry Number.