2955-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2955-15-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,5 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2955-15:
(6*2)+(5*9)+(4*5)+(3*5)+(2*1)+(1*5)=99
99 % 10 = 9
So 2955-15-9 is a valid CAS Registry Number.