1951444-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1951444-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,5,1,4,4 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1951444-57:
(9*1)+(8*9)+(7*5)+(6*1)+(5*4)+(4*4)+(3*4)+(2*5)+(1*7)=187
187 % 10 = 7
So 1951444-57-7 is a valid CAS Registry Number.