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54208-05-8

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54208-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54208-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,0 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54208-05:
(7*5)+(6*4)+(5*2)+(4*0)+(3*8)+(2*0)+(1*5)=98
98 % 10 = 8
So 54208-05-8 is a valid CAS Registry Number.

54208-05-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name nonylidene(triphenyl)-λ<sup>5</sup>-phosphane

1.2 Other means of identification

Product number -
Other names Triphenylphosphin-nonylen

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:54208-05-8 SDS

54208-05-8Relevant articles and documents

γ-METHYL-γ,δ-EPOXY-α,β-UNSATURATED ALDEHYDE COMPOUND AND FLAVOR COMPOSITION CONTAINING THAT COMPOUND

-

Paragraph 0025-0028, (2021/05/21)

PROBLEM TO BE SOLVED: To provide a new compound useful as a flavor ingredient or the like, and a flavor composition containing the compound. SOLUTION: The invention provides: a γ-methyl-γ,δ-epoxy-α,β-unsaturated aldehyde compound represented by the general formula (1) in the figure useful as a flavor ingredient and the like; and a flavor composition containing the compound. (In the formula, the solid line, the double line, H, C, O, R1 and R2 are as defined in the specification.) SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT

A convergent total synthesis of (-)-mucocin: An acetogenin from Annonaceae

Hoppen, Sabine,Baeurle, Stefan,Koert, Ulrich

, p. 2382 - 2396 (2007/10/03)

A total synthesis of the Annonaceous acetogenin mucocin has been accomplished. The synthesis follows a convergent strategy, wherein at a very late stage the left part of the molecule is connected with the right part. The key reaction is the stereocontrolled addition of an organomagnesium compound 2 to the aldehyde 3. The THP ring of mucocin is build by a 6-endo epoxide cyclization of an epoxyacetonide precursor (16 → 17). The new modular synthetic approach developed herein should be useful for the synthesis of other related natural products as well as pharmacologically interesting analogues.

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