1345837-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1345837-77-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,8,3 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1345837-77:
(9*1)+(8*3)+(7*4)+(6*5)+(5*8)+(4*3)+(3*7)+(2*7)+(1*7)=185
185 % 10 = 5
So 1345837-77-5 is a valid CAS Registry Number.