157763-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157763-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,6 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157763-88:
(8*1)+(7*5)+(6*7)+(5*7)+(4*6)+(3*3)+(2*8)+(1*8)=177
177 % 10 = 7
So 157763-88-7 is a valid CAS Registry Number.