15769-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15769-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,6 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15769-97:
(7*1)+(6*5)+(5*7)+(4*6)+(3*9)+(2*9)+(1*7)=148
148 % 10 = 8
So 15769-97-8 is a valid CAS Registry Number.