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72122-63-5

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72122-63-5 Usage

General Description

X-GAL, or 5-bromo-4-chloro-3-indolyl-beta-D-galactopyranoside, is a chemical used in molecular biology to detect the activity of the enzyme beta-galactosidase. It is a colorless substrate that is metabolized by the enzyme to produce a blue compound, 5,5'-dibromo-4,4'-dichloro-indigo, which can be visualized easily. The presence of beta-galactosidase, often used as a reporter gene in molecular biology experiments, can be identified by the blue coloration. X-GAL is frequently used in conjunction with other substrates to identify and select for cells containing the beta-galactosidase enzyme, making it a valuable tool for researchers in the field of molecular biology.

Check Digit Verification of cas no

The CAS Registry Mumber 72122-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,2 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72122-63:
(7*7)+(6*2)+(5*1)+(4*2)+(3*2)+(2*6)+(1*3)=95
95 % 10 = 5
So 72122-63-5 is a valid CAS Registry Number.
InChI:InChI=1/C30H37N5O7/c31-22(16-20-10-12-21(36)13-11-20)29(41)34-14-5-9-25(34)28(40)33-23(17-19-6-2-1-3-7-19)30(42)35-15-4-8-24(35)27(39)32-18-26(37)38/h1-3,6-7,10-13,22-25,36H,4-5,8-9,14-18,31H2,(H,32,39)(H,33,40)(H,37,38)/t22-,23-,24-,25?/m0/s1

72122-63-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name X-GAL

1.2 Other means of identification

Product number -
Other names Deprolorphin

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:72122-63-5 SDS

72122-63-5Relevant articles and documents

HOAt.DCHA as co-coupling agent in the synthesis of peptides employing Fmoc-amino acid chlorides as coupling agents: Application to the synthesis of ss-casomorphin

Sureshbabu, Vommina V.,Chennakrishnareddy, Gundala

experimental part, p. 981 - 988 (2009/12/28)

A simple, efficient and racemization free method for the synthesis of peptides employing Fmoc-amino acid chlorides mediated by HOAtDCHA as a co-coupling agent has been described. This protocol is successfully employed in the synthesis of the pentapeptide H-Pro-Gly-VaI-GIy-VaI-OH (PGVGV), and ss-casomorphin (H-Tyr-Pro-Phe-Pro-Gly-OH) in 85 and 80% yields, respectively.

A rapid and efficient synthesis of β-casomorphin employing Boc-amino acids and 9-fluorenylmethyl chloroformate as a coupling agent

Babu, V.V. Suresh,Tantry

, p. 2708 - 2712 (2007/10/03)

The synthesis of β-casomorphin H-Tyr-Pro-Phe-Pro-Gly-OH employing Boc group for Nα-protection and 9-fluorenylmethyl chloroformate (Fmoc-Cl) for the formation of peptide bond is described. The protocol employing Fmoc-Cl as coupling reagent is found to be simple, efficient and rapid. All the intermediate peptides as well as the final protected peptide Boc-Tyr( iBu)-Pro-Phe-Pro-Gly-OMe have been isolated and fully characterized. They have been obtained in good yield and with high purity.

Coupling in the absence of a tertiary base: A method for the deprotonation of hydrochloride salts of peptide esters to free amino peptide esters

Tantry, Subramanyam J.,Ananda,Suresh Babu

, p. 1028 - 1031 (2007/10/03)

The deprotonation of hydrochloride salts of peptide esters is accomplished using activated zinc dust. The reaction is neat and quantitative. Addition of a tertiary base is eliminated during the coupling. The free amino peptide esters have been isolated in good yield and purity. This method is extended for the synthesis of β-casomorphin (Tyr-Pro-Phe-Pro-Gly). During its synthesis, all the intermediate free amino peptide esters have been isolated and characterized.

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