312949-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312949-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,9,4 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 312949-43:
(8*3)+(7*1)+(6*2)+(5*9)+(4*4)+(3*9)+(2*4)+(1*3)=142
142 % 10 = 2
So 312949-43-2 is a valid CAS Registry Number.