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83968-02-9

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83968-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83968-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,6 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83968-02:
(7*8)+(6*3)+(5*9)+(4*6)+(3*8)+(2*0)+(1*2)=169
169 % 10 = 9
So 83968-02-9 is a valid CAS Registry Number.

83968-02-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-ethenyl-2,2-dimethyl-1,3-dioxolane

1.2 Other means of identification

Product number -
Other names 3,4-O,O-i-propylidenebut-1-en-3,4-diol

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:83968-02-9 SDS

83968-02-9Relevant articles and documents

Synthesis and Biological Evaluation of Bromo- and Fluorodanicalipin A

Fischer, Stefan,Huwyler, Nikolas,Wolfrum, Susanne,Carreira, Erick M.

supporting information, p. 2555 - 2558 (2016/02/18)

We disclose the syntheses of (+)-bromodanicalipin A as well as (±)-fluorodanicalipin A. The relative configuration and ground-state conformation in solution of both molecules was secured by J-based configuration analysis which revealed that these are identical to natural danicalipin A. Furthermore, preliminary toxicological investigations suggest that the adverse effect of danicalipin A may be due to the lipophilicity of the halogens. Halologs: The syntheses of bromo- and fluorodanicalipin A are reported and the ground-state conformation was determined by J-based configuration analysis (see scheme, R=H). A preliminary comparative study of their toxicology suggests that the adverse effect arises from the lipophilicity of the halogens which counterbalance the polar C14 sulfate.

Protein-tyrosine phosphatase inhibitors and uses thereof

-

Page 22, (2010/02/09)

The present invention is directed to compounds of formula (I), or a pharmaceutically suitable salt or prodrug thereof, which are useful for the selective inhibition of protein tyrosine phosphatase-1B (PTP1B), and are useful for the treatment of disorders caused by overexpressed or altered protein tyrosine phosphatase 1B.

Synthesis of 1,3-dioxolanes by the addition of ketones to epoxides by using [Cp*Ir(NCMe)3]2+ as catalyst

Adams, Richard D.,Barnard, Thomas S.,Brosius, Kellie

, p. 358 - 361 (2007/10/03)

A series of 1,3-dioxolanes have been prepared by the addition of ketones to epoxides in the presence of the catalyst [Cp*Ir(NCMe)3]2+, Cp=C5Me5. The reactions proceed readily at 22°C and the yields are good. The following 1,3-dioxolanes: 2,2,4-trimethyl-1,3-dioxolane, 1; 2,2-dimethyl-4-vinyl-1,3-dioxolane, 2; 2,2-dimethyl-4-phenyl-1,3-dioxolane, 3; 2,2-diethyl-4-methyl-1,3-dioxolane, 4; 2,2-diethyl-4-vinyl-1,3-dioxolane, 5; 2,2-diethyl-4-phenyl-1,3-dioxolane, 6 were prepared from the appropriate epoxide and carbonyl compounds. An inversion of configuration at the carbon atom at the C-O bond cleavage site of the epoxide was observed to occur in the formation of the dioxolanes: R, S,- 2,2,4,5-tetramethyl-1,3-dioxolane, 7 and a mixture of R,R- and S,S-2,2,4,5-tetramethyl-1,3-dioxolane, 8 obtained from the reactions of acetone with R, R,-/S, S,-buten-2-oxide and R, S,-buten-2-oxide, respectively.

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