2955-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2955-97-7 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, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2955-97:
(6*2)+(5*9)+(4*5)+(3*5)+(2*9)+(1*7)=117
117 % 10 = 7
So 2955-97-7 is a valid CAS Registry Number.