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70975-34-7

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70975-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70975-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70975-34:
(7*7)+(6*0)+(5*9)+(4*7)+(3*5)+(2*3)+(1*4)=147
147 % 10 = 7
So 70975-34-7 is a valid CAS Registry Number.

70975-34-7Relevant articles and documents

N -Trifluoromethylthiolated Sulfoximines

Bohnen, Christian,Bolm, Carsten

, p. 3011 - 3013 (2015)

Air- and moisture-stable N-trifluoromethylthio sulfoximines have been prepared from N-H-sulfoximines via the corresponding N-Br derivatives in excellent yields. The two-step process starts with an easy-to-perform bromination at the sulfoximine nitrogen, followed by a reaction with silver trifluoromethanethiolate. A one-pot reaction sequence allows difficult to prepare products to be obtained.

Homolytic Reaction of N-Halogenosulphoximides with Olefins and Toluene

Akasaka, Takeshi,Furukawa, Naomichi,Oae, Shigeru

, p. 1257 - 1261 (2007/10/02)

Homolytic addition reaction of N-halogenosulphoximides, i.e. diphenyl-N-chlorosulphoximide (1), diphenyl-N-bromosulphoximide (2), and methylphenyl-N-chlorosulphoximide (3), to olefins such as t-butylethylene and cyclohexene under both u.v. irradiation and thermolysis in the presence of a radical initiator was found to afford the corresponding N-alkylated sulphoximides, which are presumed to be formed via the initial addition of the sulphoximidoyl radical.Meanwhile, homolytic bromination of toluene with N-bromosulphoximide (2) proceeded readily by u.v. irradiation, or by thermal reaction in the presence of a radical initiator, to afford benzyl bromide.However, chlorination of toluene was sluggish with N-chlorosulphoximides (1) and (3). α-Bromination was interpreted in terms of a chain process involving bromine molecules like the 'Goldfinger mechanism', but not via that involving the sulphoximidoyl radical.

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