1257236-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257236-43-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,3 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1257236-43:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*3)+(3*6)+(2*4)+(1*3)=153
153 % 10 = 3
So 1257236-43-3 is a valid CAS Registry Number.