4943-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4943-39-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,4 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4943-39:
(6*4)+(5*9)+(4*4)+(3*3)+(2*3)+(1*9)=109
109 % 10 = 9
So 4943-39-9 is a valid CAS Registry Number.
4943-39-9Relevant articles and documents
Alkylation of p-cresol with isohexyl alcohol
Osadchenko,Tomilov
, p. 350 - 350 (2001)
The feasibility of p-cresol alkylation with isohexyl alcohol, using phosphotungstic heteropoly acid as catalyst, was examined.
