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104306-37-8

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104306-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104306-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,0 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104306-37:
(8*1)+(7*0)+(6*4)+(5*3)+(4*0)+(3*6)+(2*3)+(1*7)=78
78 % 10 = 8
So 104306-37-8 is a valid CAS Registry Number.

104306-37-8Downstream Products

104306-37-8Relevant articles and documents

Chemistry of O-Silylated Ketene Acetals: Preparation of α-Siloxy Phenyl Sulfides and Methyl 3-(Phenylthio)butyrates from Alkyl Phenyl Sulfoxides

Kita, Yasuyuki,Tamura, Osamu,Yasuda, Hitoshi,Itoh, Fumio,Tamura, Yasumitsu

, p. 4235 - 4241 (2007/10/02)

Treatment of alkyl phenyl sulfoxides (2a-h) with O-methyl-O-tert-butyldimethylsilyl ketene acetal (1a) in dry acetonitrile in the presence of a catalytic amount of zinc iodide caused a Pummerer-type rearrangement to give α-siloxy phenyl sulfides (3a-h) under mild conditions.On the oder hand, treatment of the sulfoxide (2d) with O-methyl-O-trimethylsilyl ketene acetals (1b,c) under similar conditions gave carbon-carbon bond-formed products, methyl 3-(phenylthio)-butyrates (8 and 9).Keywords - O-methyl-O-tert-butyldimethylsilyl ketene acetal; alkyl phenyl sulfoxide; Pummerer rearrangement; α-siloxy phenyl sulfide; O-methyl-O-trimethylsilyl ketene acetal; carbon-carbon bond forming reaction; methyl 3-(phenylthio)butyrate; α-siloxy sulfide reaction

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