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205746-51-6

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205746-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205746-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,7,4 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 205746-51:
(8*2)+(7*0)+(6*5)+(5*7)+(4*4)+(3*6)+(2*5)+(1*1)=126
126 % 10 = 6
So 205746-51-6 is a valid CAS Registry Number.

205746-51-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-(2,2-dibromoethenyl)-3,5-dimethoxybenzene

1.2 Other means of identification

Product number -
Other names -

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:205746-51-6 SDS

205746-51-6Relevant articles and documents

Stereoselective [4 + 1] annulation reactions with silyl vinylketenes derived from fischer carbene complexes

Moser, William H.,Feltes, Laura A.,Sun, Liangdong,Giese, Matthew W.,Farrell, Ryan W.

, p. 6542 - 6546 (2006)

Stable silyl vinylketenes were prepared via the thermal reaction of Fischer carbene complexes with triisopropylsilyl- or tert-butyldimethylsilyl- substituted alkynes. The ability of these silyl vinylketenes to participate with carbenoid reagents in [4 + 1

Cobalt-Catalyzed Chemo- and Enantioselective Hydrogenation of Conjugated Enynes

Hu, Yanhua,Liu, Yangang,Zhang, Wanbin,Zhang, Zhenfeng

supporting information, p. 16989 - 16993 (2021/06/28)

Asymmetric hydrogenation is one of the most powerful methods for the preparation of single enantiomer compounds. However, the chemo- and enantioselective hydrogenation of the relatively inert unsaturated group in substrates possessing multiple unsaturated bonds remains a challenge. We herein report a protocol for the highly chemo- and enantioselective hydrogenation of conjugated enynes while keeping the alkynyl bond intact. Mechanism studies indicate that the accompanying Zn2+ generated from zinc reduction of the CoII complex plays a critical role to initiate a plausible CoI/CoIII catalytic cycle. This approach allows for the highly efficient generation of chiral propargylamines (up to 99.9 % ee and 2000 S/C) and further useful chemical transformations.

Synthesis of novel resveratrol-phthalide hybrid compounds and evaluation of their inhibitory activities of nitric oxide production

Kimachi, Tetsutaro,Ogata, Tokutaro,Doe, Misae,Sakanaka, Mariko,Nishiuchi, Arisa,Aomatsu, Mio,Tanaka, Manami,Shimizu, Maki,Yoshioka, Natsuko,Kubota, Kurumi,Teraoka, Yui,Nakajima, Chikako,Takahashi, Satoru

, p. 534 - 548 (2019/08/01)

Four types of novel resveratrol-phthalide hybrid compounds were designed and synthesized systematically by Suzuki-Miyaura cross-coupling reaction. These hybrid compounds were evaluated upon an inhibitory effect of the LPS-stimulated NO production in murine macrophage cell line, RAW264.7. As a result, two of them showed stronger inhibitory activity than the original resveratrol.

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