1931960-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1931960-42-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,3,1,9,6 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1931960-42:
(9*1)+(8*9)+(7*3)+(6*1)+(5*9)+(4*6)+(3*0)+(2*4)+(1*2)=187
187 % 10 = 7
So 1931960-42-7 is a valid CAS Registry Number.