1018334-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1018334-04-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,8,3,3 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1018334-04:
(9*1)+(8*0)+(7*1)+(6*8)+(5*3)+(4*3)+(3*4)+(2*0)+(1*4)=107
107 % 10 = 7
So 1018334-04-7 is a valid CAS Registry Number.