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1461-94-5

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1461-94-5 Usage

Chemical Properties

White powder

Purification Methods

Purify the acid by crystallisation from H2O or ligroin, or by hydrolysis of the anhydride [b 120-150o/40mm, m 77-77.5o (from *C6H6, 74-75o from H2O or ligroin)] with H2O. The diphenacyl ester has m 113o (from EtOH) and the p-bromodiphenacyl ester has m 153o (from EtOH/Me2CO). [Vogel Justus Liebigs Ann Chem 615 13 1958, Reed J Chem Soc 685 1951, Fison et al. J Am Chem Soc 56 1774 1934, pK: Bode Chem Ber 67 332 1934, Beilstein 9 IV 2788.]

Check Digit Verification of cas no

The CAS Registry Mumber 1461-94-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,6 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1461-94:
(6*1)+(5*4)+(4*6)+(3*1)+(2*9)+(1*4)=75
75 % 10 = 5
So 1461-94-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H8O4/c7-5(8)3-1-2-4(3)6(9)10/h3-4H,1-2H2,(H,7,8)(H,9,10)/t3-,4+

1461-94-5SDS

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 (1R,2S)-Cyclobutane-1,2-dicarboxylic acid

1.2 Other means of identification

Product number -
Other names cis-Cyclobutane-1,2-dicarboxylic acid

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:1461-94-5 SDS

1461-94-5Relevant articles and documents

Novel synthesis method of lobaplatin intermediate

-

, (2021/09/22)

The invention relates to the technical field of drug synthesis, in particular to a novel synthesis method of a loxetine intermediate, which is coupled through low-toxicity dimethyl malonate as a starting raw material. The synthesis of high purity trans -1, 2 - dicyanocyclobutane is carried out after the reaction of bromination, cyclization, hydrolysis, amidation and dehydration. In addition, the yield of the product is greatly improved, so that the cost is greatly reduced, the obtained trans -1 and 2 -dicyanocyclobutane are improved in purity, the subsequent use requirements are completely met, and the market competitiveness is greatly improved.

The synthesis and use in asymmetric epoxidation of metal salen complexes derived from enantiopure trans-cyclopentane- and cyclobutane-1,2-diamine

Daly, Adrian M.,Gilheany, Declan G.

, p. 127 - 137 (2007/10/03)

A complete synthesis of enantiopure trans-cyclopentane-1,2-diamine and trans-cyclobutane-1,2-diamine is described. These diamines have been used as components of novel chiral salen ligands whose chromium and manganese complexes were then evaluated as oxygen transfer agents in the asymmetric epoxidation of alkenes.

Preparation of Small Ring Carbocycles via Intramolecular Oxidative Coupling of Bisenolates Derived from α,ω-Diesters

Babler, James H.,Sarussi, Steven J.

, p. 3462 - 3464 (2007/10/02)

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