1243334-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243334-65-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,3,3 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1243334-65:
(9*1)+(8*2)+(7*4)+(6*3)+(5*3)+(4*3)+(3*4)+(2*6)+(1*5)=127
127 % 10 = 7
So 1243334-65-7 is a valid CAS Registry Number.