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19735-68-3

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19735-68-3 Usage

Uses

Derivatization reagent for the HPLC determination of aliphatic thiols.

Check Digit Verification of cas no

The CAS Registry Mumber 19735-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,3 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19735-68:
(7*1)+(6*9)+(5*7)+(4*3)+(3*5)+(2*6)+(1*8)=143
143 % 10 = 3
So 19735-68-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H12N2O2S/c1-11-2-7-14-15(10-11)23-18(19-14)12-3-5-13(6-4-12)20-16(21)8-9-17(20)22/h2-10H,1H3

19735-68-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]pyrrole-2,5-dione

1.2 Other means of identification

Product number -
Other names 2-(4-Maleimidophenyl)-6-methylbenzothiazol

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:19735-68-3 SDS

19735-68-3Downstream Products

19735-68-3Relevant articles and documents

Determination of aliphatic thiols by fluorometric high-performance liquid chromatography after precolumn derivatization with 2-(4-N-maleimidophenyl)-6-methylbenzothiazole

Haj-Yehia,Benet

, p. 155 - 160 (2007/10/03)

A sensitive, fluorometric high-performance liquid chromatographic method for the detection of aliphatic thiols, following pre-column derivatization with 2-(4-N-maleimidophenyl)-6-methylbenzothiazole, has been developed. The N-maleimide, the acid and the methyl ester derivatives of the commercially available 2-(4-aminophenyl)-6-methylbenzothiazole were synthesized and found to be equally effective for the precolumn derivatization procedure. The resulting fluorescentic derivatives of aliphatic thiols were separated on a reversed-phase column (Ultrasphere-ODS) using 0.1% hexane-sulfonic acid in 10 mM potassium hydrogen phosphate:acetonitrile (65:35) as a mobile phase and were detected fluorometrically (excitation 320 nm; emission 405 nm). The method is highly sensitive (femtomole range) and is easily applied for determination of SH-containing drugs and endogenous thiols in biological samples.

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