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103603-53-8

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103603-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103603-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103603-53:
(8*1)+(7*0)+(6*3)+(5*6)+(4*0)+(3*3)+(2*5)+(1*3)=78
78 % 10 = 8
So 103603-53-8 is a valid CAS Registry Number.

103603-53-8Relevant articles and documents

Nickel-Catalyzed Selective Decarbonylation of α-Amino Acid Thioester: Aminomethylation of Mercaptans

Zhou, Jing-Ya,Tian, Rui,Zhu, Yong-Ming

, p. 12148 - 12157 (2021/09/07)

The nickel-catalyzed aminomethylation of mercaptans has been disclosed that offers efficient and expedient access to synthesize α-aminosulfides. The intramolecular fragment coupling shows excellent chemoselectivity. This transformation shows good functional-group compatibility, tolerates a wide range of electron-withdrawing, electron-neutral, and electron-donating substituents in this process, and can serve as a powerful synthetic tool for the synthesis of α-aminosulfides at a gram scale. Thus, the newly developed methodology enables a facile route for C-S bond formation in a straightforward fashion.

REACTION OF SULFOXIDES WITH NITRILES IN PRESENCE OF TRIFLUOROACETIC ANHYDRIDE AND TRIFLUOROACETIC ACID: A CASE OF RITTER REACTION OF PUMMERER INTERMEDIATE

Vankar, Yashwant D.,Rao, C. Trinadha

, p. 3405 - 3410 (2007/10/02)

Reaction of various sulfoxides 9, with nitriles 10 in presence of trifluoroacetic anhydride and trifluoroacetic acid gave the corresponding amides 11 via a Ritter reaction on Pummerer intermediate derived from the sulfoxides.

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