1256575-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256575-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,5,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1256575-34:
(9*1)+(8*2)+(7*5)+(6*6)+(5*5)+(4*7)+(3*5)+(2*3)+(1*4)=174
174 % 10 = 4
So 1256575-34-4 is a valid CAS Registry Number.