42337-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42337-34-8 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 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42337-34:
(7*4)+(6*2)+(5*3)+(4*3)+(3*7)+(2*3)+(1*4)=98
98 % 10 = 8
So 42337-34-8 is a valid CAS Registry Number.