1313407-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1313407-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,4,0 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1313407-40:
(9*1)+(8*3)+(7*1)+(6*3)+(5*4)+(4*0)+(3*7)+(2*4)+(1*0)=107
107 % 10 = 7
So 1313407-40-7 is a valid CAS Registry Number.