90313-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90313-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,1 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90313-80:
(7*9)+(6*0)+(5*3)+(4*1)+(3*3)+(2*8)+(1*0)=107
107 % 10 = 7
So 90313-80-7 is a valid CAS Registry Number.