1293995-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1293995-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,9,9 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1293995-77:
(9*1)+(8*2)+(7*9)+(6*3)+(5*9)+(4*9)+(3*5)+(2*7)+(1*7)=223
223 % 10 = 3
So 1293995-77-3 is a valid CAS Registry Number.