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21861

Sigma-Aldrich

1,1′-Carbonyl-di-(1,2,4-triazole)

technical, ≥90% (T)

Synonym(s):

CDT

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About This Item

Empirical Formula (Hill Notation):
C5H4N6O
CAS Number:
41864-22-6
Molecular Weight:
164.12
Beilstein:
10250
MDL number:
MFCD00043399
UNSPSC Code:
12352005
PubChem Substance ID:
57647945
NACRES:
NA.22

grade

technical

Quality Level

100

Assay

≥90% (T)

form

powder

reaction suitability

reaction type: Carbonylations

mp

138-152 °C

application(s)

peptide synthesis

storage temp.

2-8°C

SMILES string

O=C(n1cncn1)n2cncn2

InChI

1S/C5H4N6O/c12-5(10-3-6-1-8-10)11-4-7-2-9-11/h1-4H

InChI key

YHNUDLCUIKMNSN-UHFFFAOYSA-N

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Other Notes

Reagent for preparing the reactive acyl triazolides from carboxylic acids; Reaction of unprotected glucose with acyl triazolide to the β-D-glucosyl ester; Dehydrating agent which reacts with H2O2 giving singlet oxygen, used e.g. for epoxidations

Signal Word

Danger

Hazard Statements

H302,H318,H361

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Javier Oltra-Cucarella et al.
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To investigate the implications of obtaining one or more low scores on a battery of cognitive tests on diagnosing mild cognitive impairment (MCI). Observational longitudinal study. Alzheimer's Disease Neuroimaging Initiative. Normal controls (NC, n = 280) and participants with MCI
H.-P. Pfander et al.
Helvetica Chimica Acta, 63, 277-277 (1980)
G O Androga et al.
Anaerobe, 60, 102083-102083 (2019-08-05)
The relevance of large clostridial toxin-negative, binary toxin-producing (A-B-CDT+) Clostridium difficile strains in human infection is still controversial. In this study, we investigated putative virulence traits that may contribute to the role of A-B-CDT+C. difficile strains in idiopathic diarrhea. Phenotypic assays
Samantha B Peeters et al.
Human molecular genetics, 27(7), 1252-1262 (2018-02-06)
A long-standing question concerning X-chromosome inactivation (XCI) has been how some genes avoid the otherwise stable chromosome-wide heterochromatinization of the inactive X chromosome. As 20% or more of human X-linked genes escape from inactivation, such genes are an important contributor
J. Rebek et al.
The Journal of Organic Chemistry, 44, 1485-1485 (1979)
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