33142-34-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33142-34-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,4 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33142-34:
(7*3)+(6*3)+(5*1)+(4*4)+(3*2)+(2*3)+(1*4)=76
76 % 10 = 6
So 33142-34-6 is a valid CAS Registry Number.