342384-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342384-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,3,8 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 342384-38:
(8*3)+(7*4)+(6*2)+(5*3)+(4*8)+(3*4)+(2*3)+(1*8)=137
137 % 10 = 7
So 342384-38-7 is a valid CAS Registry Number.