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30839-20-4

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30839-20-4 Usage

Type of Compound

Ketone

Industrial Applications

Flavoring agent in food products
Pharmaceutical industry
Solvent in chemical reactions

Potential Health Effects

Respiratory irritation
Potential carcinogenicity

Safety Precautions

Handle and use with caution, following strict safety guidelines.

Check Digit Verification of cas no

The CAS Registry Mumber 30839-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,3 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 30839-20:
(7*3)+(6*0)+(5*8)+(4*3)+(3*9)+(2*2)+(1*0)=104
104 % 10 = 4
So 30839-20-4 is a valid CAS Registry Number.

30839-20-4Relevant articles and documents

Silver-Catalyzed Coupling of Two Csp3-H Groups and One-Pot Synthesis of Tetrasubstituted Furans, Thiophenes, and Pyrroles

Mao, Shuai,Zhu, Xue-Qing,Gao, Ya-Ru,Guo, Dong-Dong,Wang, Yong-Qiang

supporting information, p. 11335 - 11339 (2015/08/03)

Silver-catalyzed coupling of two Csp3-H groups to form 1,4-diketones have been developed for the first time. The resultant ketones then undergo cyclization to synthesize tetrasubstituted furans, thiophenes, and pyrroles from benzyl ketone derivatives in a one-pot reaction process. This highly-efficient synthetic method, which utilizes air as the terminal oxidant and readily accessible starting materials, displays a wide substrate scope and broad functional-group tolerance.

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