1307803-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1307803-95-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,8,0 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1307803-95:
(9*1)+(8*3)+(7*0)+(6*7)+(5*8)+(4*0)+(3*3)+(2*9)+(1*5)=147
147 % 10 = 7
So 1307803-95-7 is a valid CAS Registry Number.