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39234-20-3

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39234-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39234-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 39234-20:
(7*3)+(6*9)+(5*2)+(4*3)+(3*4)+(2*2)+(1*0)=113
113 % 10 = 3
So 39234-20-3 is a valid CAS Registry Number.

39234-20-3Relevant articles and documents

Utilization of carbon disulfide as a powerful building block for the synthesis of 2-aminobenzoxazoles

Guntreddi, Tirumaleswararao,Allam, Bharat Kumar,Singh, Krishna Nand

, p. 9875 - 9880 (2013/09/02)

This protocol describes a novel, mild and convenient route to afford 2-aminobenzoxazoles in high yields, and represents a significant advance towards an environmentally friendly strategy. Aliphatic amines are made to react with carbon disulfide to provide intermediate dithiocarbamates (DTC), which in the presence of 2-aminophenol, subsequently undergo successive intermolecular nucleophilic attack and desulfurization to produce 2-aminobenzoxazoles within 3 h.

INVESTIGATION IN THE FIELD OF BIACETYLENE DERIVATIVES. XLII. ADDITION OF AMMONIUM DITHIOCARBAMATES TO BIACETYLENE

Sokolyanskaya, L. V.,Vavilova, A. N.,Volkov, A. N.,Trofimov, B. A.

, p. 2025 - 2028 (2007/10/02)

A simple method was developed for the production of cis-1-buten-ynyl dialkyldithiocarbamates and 1,4-bis(dialkylthiocarbamoylthio)-1,3-butadienes by the reaction of biacetylene and carbon bisulfide in the presence of secondary amines without a catalyst in protic and aprotic solvents.

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