340963-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340963-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,9,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 340963-81:
(8*3)+(7*4)+(6*0)+(5*9)+(4*6)+(3*3)+(2*8)+(1*1)=147
147 % 10 = 7
So 340963-81-7 is a valid CAS Registry Number.