334537-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334537-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,5,3 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 334537-44:
(8*3)+(7*3)+(6*4)+(5*5)+(4*3)+(3*7)+(2*4)+(1*4)=139
139 % 10 = 9
So 334537-44-9 is a valid CAS Registry Number.