955-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 955-99-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,5 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 955-99:
(5*9)+(4*5)+(3*5)+(2*9)+(1*9)=107
107 % 10 = 7
So 955-99-7 is a valid CAS Registry Number.