1207515-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1207515-78-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,5,1 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1207515-78:
(9*1)+(8*2)+(7*0)+(6*7)+(5*5)+(4*1)+(3*5)+(2*7)+(1*8)=133
133 % 10 = 3
So 1207515-78-3 is a valid CAS Registry Number.