42334-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42334-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,3 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42334-52:
(7*4)+(6*2)+(5*3)+(4*3)+(3*4)+(2*5)+(1*2)=91
91 % 10 = 1
So 42334-52-1 is a valid CAS Registry Number.