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4-phenyl-1H-isothiochromene 2,2-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1334033-48-5

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1334033-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334033-48-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,0,3 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1334033-48:
(9*1)+(8*3)+(7*3)+(6*4)+(5*0)+(4*3)+(3*3)+(2*4)+(1*8)=115
115 % 10 = 5
So 1334033-48-5 is a valid CAS Registry Number.

1334033-48-5Downstream Products

1334033-48-5Relevant academic research and scientific papers

Separate deprotonation reactions converge mechanistically for a new cyclization of benzyl 1-Alkynyl sulfones

Hossain, M. Selim,Schwan, Adrian L.

, p. 5330 - 5333 (2011/12/01)

A heretofore unknown LDA-induced conversion of benzyl 1-alkynyl sulfones to 1H-2-benzothiopyran-S,S-dioxides is demonstrated. A benzyl carbanion, accessible by two means, is thought to cyclize by temporary disruption of aromaticity. Key intermediates are

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