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222306-90-3

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222306-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222306-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,3,0 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 222306-90:
(8*2)+(7*2)+(6*2)+(5*3)+(4*0)+(3*6)+(2*9)+(1*0)=93
93 % 10 = 3
So 222306-90-3 is a valid CAS Registry Number.

222306-90-3Relevant articles and documents

The tert-butyl sulfoximine group as an effective ortho-director of lithiation: Ortho-metallated S-(tert-butyl)-S-phenylsulfoximines

Levacher,Langer Eriksen,Begtrup,Dupas,Queguiner,Duflos,Bourguignon

, p. 1665 - 1668 (1999)

The readily available S-(tert-butyl)-N-(trimethylsilyl)-S- phenylsulfoximine was prepared from S-methyl-N(trimethylsilyl)-S- phenylsulfoximine via lithiation-methylation sequences. The reaction with n- butyllithium in THF at -78°C afforded the correspondi

An unexpected cyclization reaction of tert-butyl o-trimethylsilylphenyl sulfoximine

Schmidt, Joerg Christoph,Adiwidjaja, Gunadi,Schaumann, Ernst

, p. 104 - 109 (2013/09/24)

An efficient one-pot synthesis of the title compound 5 starting from methyl phenyl sulfoximine is described. On attempted iododesilylation of this compound using iodine chloride, one methyl group on the silicon atom is formally replaced by the imino nitrogen to give a derivative 8 of the novel heterocyclic system 1,3,2-benzothiasilazole. ARKAT-USA, Inc.

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