4383-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4383-39-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,8 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4383-39:
(6*4)+(5*3)+(4*8)+(3*3)+(2*3)+(1*9)=95
95 % 10 = 5
So 4383-39-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H4O2/c1-3-5-8-6(7)4-2/h1-2H,5H2
4383-39-5Relevant articles and documents
Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols
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Page 7, (2008/06/13)
A process for preparing alkynecarboxylic acids includes the oxidation of an alkyne alcohol with a hypohalite in the presence of a nitroxyl compound at a pH of greater than 7 with continual addition of the alkyne alcohol and of the hypohalite to the reaction mixture.
