1080641-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1080641-18-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,0,6,4 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1080641-18:
(9*1)+(8*0)+(7*8)+(6*0)+(5*6)+(4*4)+(3*1)+(2*1)+(1*8)=124
124 % 10 = 4
So 1080641-18-4 is a valid CAS Registry Number.