303986-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303986-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,8 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 303986-92:
(8*3)+(7*0)+(6*3)+(5*9)+(4*8)+(3*6)+(2*9)+(1*2)=157
157 % 10 = 7
So 303986-92-7 is a valid CAS Registry Number.