346721-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 346721-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,6,7,2 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 346721-68:
(8*3)+(7*4)+(6*6)+(5*7)+(4*2)+(3*1)+(2*6)+(1*8)=154
154 % 10 = 4
So 346721-68-4 is a valid CAS Registry Number.