955919-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 955919-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,5,9,1 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 955919-54:
(8*9)+(7*5)+(6*5)+(5*9)+(4*1)+(3*9)+(2*5)+(1*4)=227
227 % 10 = 7
So 955919-54-7 is a valid CAS Registry Number.