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

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

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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

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)

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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
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
Yan Li et al.
Pharmaceutical biology, 54(12), 3226-3231 (2016-10-01)
A classic traditional Chinese medicine Curcuma aromatica Salisb. (Zingiberaceae) has been reported to have favourable effects on the cardiovascular system. To research the cardio-protective effect of different C. aromatica hydroalcoholic extracts on isoproterenol (ISO)-induced acute myocardial ischemia (AMI) in rats.
Steen Buus Kristiansen et al.
Cardiovascular diabetology, 18(1), 66-66 (2019-06-04)
The mechanisms underlying increased mortality in patients with diabetes and admission hyperglycemia after an acute coronary syndrome may involve reduced capacity for cardioprotection. We investigated the impact of hyperglycemia on exogenously activated cardioprotection by ischemic preconditioning (IPC) in hearts from

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