957788-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957788-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,7,8 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 957788-17:
(8*9)+(7*5)+(6*7)+(5*7)+(4*8)+(3*8)+(2*1)+(1*7)=249
249 % 10 = 9
So 957788-17-9 is a valid CAS Registry Number.