74402-14-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74402-14-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,0 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74402-14:
(7*7)+(6*4)+(5*4)+(4*0)+(3*2)+(2*1)+(1*4)=105
105 % 10 = 5
So 74402-14-5 is a valid CAS Registry Number.
74402-14-5Relevant academic research and scientific papers
Synthesis of Dihydrobenzofuran Derivatives from Substituted p-Benzoquinones
Kozuka, Tadashi
, p. 2415 - 2423 (2007/10/02)
A series of p-benzoquinones having an ester functional group in the α position of alkyl side chains was prepared.Irradiation of these quinones, except for methyl 3-methyl-2-(4-methyl-3,6-dioxo-1,4-cyclohexadienyl)-butyrate (3e), rapidly gave methyl 3-subs
