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84-68-4

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84-68-4 Usage

Uses

4,4''-Diamino-2,2''-Dichlorobiphenyl is a useful reactant for the synthesis of benzidine, L-?proline, and diaminofluorene derivatives which are hepatitis C virus NS5A inhibitors.

Purification Methods

Crystallise the benzidine from EtOH or H2O. [Beilstein 13 H 234, 13 I 66, 13 II 106, 13 III 477, 13 IV 384.]

Check Digit Verification of cas no

The CAS Registry Mumber 84-68-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84-68:
(4*8)+(3*4)+(2*6)+(1*8)=64
64 % 10 = 4
So 84-68-4 is a valid CAS Registry Number.

84-68-4SDS

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-(4-amino-2-chlorophenyl)-3-chloroaniline

1.2 Other means of identification

Product number -
Other names 2,2'-Dichlorobenzidine

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:84-68-4 SDS

84-68-4Relevant articles and documents

Bidirectional synthesis of the central amino acid of chloptosin

Hong, Wen-Xu,Chen, Ling-Jun,Zhong, Chun-Long,Yao, Zhu-Jun

, p. 4919 - 4922 (2007/10/03)

(Chemical Equation Presented) An efficient total synthesis of (2S,2′S,3aR,3′aR,8aR,8′aR)-6,6′-dichloro-3a, 3′a-dihydroxy-1,1′,2,2′,3,3a,3′,3′a,8,8a,8′, 8′a-dodecahydro-5,5′-bipyr-rolo[2,3-b]indole-2,2′- dicarboxylic acid, the central amino acid component of chloptosin (1), is described. Starting from m-chloronitrobenzene, this C2-symmetrical amino acid was synthesized by using a 14-step route, in which a Zinin benzidine rearrangement, intramolecular Heck reaction, and selenocyclization and oxidative deselenation served as key steps. The absolute stereochemistry of the target was confirmed by X-ray single-crystal studies on a key intermediate (17).

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