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Merck
CN

21861

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:
Molecular Weight:
164.12
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
10250
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grade

technical

Quality Level

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

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


signalword

Danger

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges



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H.-P. Pfander et al.
Helvetica Chimica Acta, 63, 277-277 (1980)
Javier Oltra-Cucarella et al.
Journal of the American Geriatrics Society, 66(7), 1360-1366 (2018-05-11)
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
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



Global Trade Item Number

SKUGTIN
21861-25G04061833416754
21861-5G04061833355114