1207507-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1207507-57-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,5,0 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1207507-57:
(9*1)+(8*2)+(7*0)+(6*7)+(5*5)+(4*0)+(3*7)+(2*5)+(1*7)=130
130 % 10 = 0
So 1207507-57-0 is a valid CAS Registry Number.