78334-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78334-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,3 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78334-37:
(7*7)+(6*8)+(5*3)+(4*3)+(3*4)+(2*3)+(1*7)=149
149 % 10 = 9
So 78334-37-9 is a valid CAS Registry Number.