1273577-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1273577-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,3,5,7 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1273577-40:
(9*1)+(8*2)+(7*7)+(6*3)+(5*5)+(4*7)+(3*7)+(2*4)+(1*0)=174
174 % 10 = 4
So 1273577-40-4 is a valid CAS Registry Number.