1270445-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1270445-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,0,4,4 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1270445-25:
(9*1)+(8*2)+(7*7)+(6*0)+(5*4)+(4*4)+(3*5)+(2*2)+(1*5)=134
134 % 10 = 4
So 1270445-25-4 is a valid CAS Registry Number.