15996-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15996-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,9,9 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15996-97:
(7*1)+(6*5)+(5*9)+(4*9)+(3*6)+(2*9)+(1*7)=161
161 % 10 = 1
So 15996-97-1 is a valid CAS Registry Number.