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1620220-67-8

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1620220-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620220-67-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,2,2 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1620220-67:
(9*1)+(8*6)+(7*2)+(6*0)+(5*2)+(4*2)+(3*0)+(2*6)+(1*7)=108
108 % 10 = 8
So 1620220-67-8 is a valid CAS Registry Number.

1620220-67-8Downstream Products

1620220-67-8Relevant articles and documents

Hydrogen and Sulfonyl Radical Generation for the Hydrogenation and Arylsulfonylation of Alkenes Driven by Photochemical Activity of Hydrogen Bond Donor-Acceptor Complexes

Li, Yang,Ma, Fang,Li, Pinhua,Miao, Tao,Wang, Lei

supporting information, p. 1606 - 1616 (2019/02/16)

An efficient photoinduced strategy for the hydrogenation and arylsulfonylation of alkenes has been developed. The reaction afforded a range of hydrogenated products and sulfonated oxindoles in high yields under external photocatalyst-free, oxidant- and reductant-free conditions. Mechanistic investigations suggested this transformation is driven by the photochemical activity of hydrogen bond donor-acceptor complex, generated from the substrates of arylsulfinic acids and C6-(vinyl sulfone)phenanthridines or N-arylacrylamides via hydrogen bond interaction. (Figure presented.).

Copper-catalyzed arylsulfonylation of N-arylsulfonyl-acrylamides with arylsulfonohydrazides: Synthesis of sulfonated oxindoles

Tian, Qingshan,He, Ping,Kuang, Chunxiang

supporting information, p. 6349 - 6353 (2014/08/18)

A copper-catalyzed arylsulfonylation of N-arylsulfonyl-acrylamides with sulfonylhydrazides through a tandem radical process was developed. This methodology provided an alternative strategy for the synthesis of sulfonated oxindoles by forming C-S, C-N and C-C bonds in a single operation. the Partner Organisations 2014.

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