1310803-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1310803-74-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,0,8,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1310803-74:
(9*1)+(8*3)+(7*1)+(6*0)+(5*8)+(4*0)+(3*3)+(2*7)+(1*4)=107
107 % 10 = 7
So 1310803-74-7 is a valid CAS Registry Number.