140234-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140234-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,2,3 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 140234-12:
(8*1)+(7*4)+(6*0)+(5*2)+(4*3)+(3*4)+(2*1)+(1*2)=74
74 % 10 = 4
So 140234-12-4 is a valid CAS Registry Number.