1279720-46-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279720-46-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,7,2 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1279720-46:
(9*1)+(8*2)+(7*7)+(6*9)+(5*7)+(4*2)+(3*0)+(2*4)+(1*6)=185
185 % 10 = 5
So 1279720-46-5 is a valid CAS Registry Number.