1290760-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1290760-81-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,7,6 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1290760-81:
(9*1)+(8*2)+(7*9)+(6*0)+(5*7)+(4*6)+(3*0)+(2*8)+(1*1)=164
164 % 10 = 4
So 1290760-81-4 is a valid CAS Registry Number.