50991-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50991-08-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,9 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 50991-08:
(7*5)+(6*0)+(5*9)+(4*9)+(3*1)+(2*0)+(1*8)=127
127 % 10 = 7
So 50991-08-7 is a valid CAS Registry Number.