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Safety Information

26569

Sigma-Aldrich

2-Chlorotrityl chloride

≥97.0% (AT)

Synonym(s):

Chloro(2-chlorophenyl)diphenylmethane

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About This Item

Empirical Formula (Hill Notation):
C19H14Cl2
CAS Number:
42074-68-0
Molecular Weight:
313.22
Beilstein:
1983914
EC Number:
255-647-3
MDL number:
MFCD00040399
UNSPSC Code:
12352100
PubChem Substance ID:
57648180
NACRES:
NA.22

Assay

≥97.0% (AT)

form

solid

mp

130-135 °C

functional group

chloro

SMILES string

Clc1ccccc1C(Cl)(c2ccccc2)c3ccccc3

InChI

1S/C19H14Cl2/c20-18-14-8-7-13-17(18)19(21,15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H

InChI key

JFLSOKIMYBSASW-UHFFFAOYSA-N

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Application

2-Chlorotrityl chloride was used to obtain protected peptide fragments that can be applied to the preparation of head-to-tail cyclopeptides or to condensation of peptidic fragments.

Other Notes

Protecting group reagent for carboxylic acids forming esters which are cleaved mildly.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Warning

Hazard Statements

H290,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

26569-BULK-F:
26569-VAR-F:
26569-2.5G-F:
26569-10G-F:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC4291
BCBQ6881V
BCBG4029V
1315417V
1315417

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Myosin light chain kinase (MLCK) is a key regulator of various forms of cell motility including smooth muscle contraction, cell migration, cytokinesis, receptor capping, secretion, etc. Inhibition of MLCK activity in endothelial and epithelial monolayers using cell-permeant peptide Arg-Lys-Lys-Tyr-Lys-Tyr-Arg-Arg-Lys (PIK
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Journal of the American Society for Mass Spectrometry, 30(9), 1643-1653 (2019-06-07)
Chemical cross-linking combined with mass spectrometry (CL-MS) is a powerful method for characterizing the architecture of protein assemblies and for mapping protein-protein interactions. Despite its proven utility, confident identification of cross-linked peptides remains a formidable challenge, especially when the peptides
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Curcumin, a naturally occurring polyphenol, has been extensively studied for its broad-spectrum anticancer effects. The potential benefits are, however, limited due to its poor water solubility and rapid degradation which result in low bioavailability on administration. This study encapsulates curcumin
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Journal of peptide science : an official publication of the European Peptide Society, 18(9), 560-566 (2012-07-13)
LL37 and histatin 5 are antimicrobial peptides. LL37 exhibits killing activity against a broad spectrum of pathogens, whereas histatin 5 is primarily an antifungal agent. Head-to-tail cyclization of histatin 5 did not affect its antimicrobial and haemolytic activity. The cyclic
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