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D161403

Sigma-Aldrich

5,5-Dimethylhydantoin

97%

Synonym(s):

Fennosurf 300, 4,4-Dimethyl-2,5-dioxoimidazolidine, DMH

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About This Item

Empirical Formula (Hill Notation):
C5H8N2O2
CAS Number:
77-71-4
Molecular Weight:
128.13
Beilstein:
2827
EC Number:
201-051-3
MDL number:
MFCD00005266
UNSPSC Code:
12352100
PubChem Substance ID:
24893496
NACRES:
NA.22

Quality Level

200

Assay

97%

form

crystals

mp

174-177 °C (lit.)

SMILES string

CC1(C)NC(=O)NC1=O

InChI

1S/C5H8N2O2/c1-5(2)3(8)6-4(9)7-5/h1-2H3,(H2,6,7,8,9)

InChI key

YIROYDNZEPTFOL-UHFFFAOYSA-N

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Application

Reactant for synthesis of:
  • N-chloroheterocyclic antimicrobials
  • β-Amino alcohols as inhibitors of antitubercular target N-acetyltransferase
  • Second-generation selective inhibitors of hepatitis C virus NS3 serine protease
  • Rechargeable biocidal cellulose
  • N-chlorohydantoins

Reactant for asymmetric chlorolactonization reactions

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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David M Halpin et al.
Respiratory medicine, 128, 28-41 (2017-06-15)
Chronic obstructive pulmonary disease (COPD) and asthma are leading causes of morbidity and mortality. This narrative review provides an appraisal of the pharmacological and clinical characteristics of tiotropium in COPD and asthma, and examines how these compare with other long-acting
Joseph Jacob et al.
BMC medicine, 14(1), 190-190 (2016-11-24)
To evaluate computer-based computer tomography (CT) analysis (CALIPER) against visual CT scoring and pulmonary function tests (PFTs) when predicting mortality in patients with connective tissue disease-related interstitial lung disease (CTD-ILD). To identify outcome differences between distinct CTD-ILD groups derived following
A C de Groot et al.
Contact dermatitis, 18(4), 197-201 (1988-04-01)
The relationship between contact allergy to formaldehyde and positive patch test reactions to DMDM hydantoin was investigated. 35 formaldehyde-allergic patients were patch tested with serial dilutions of formaldehyde (0.1%-0.3%-1.0% aq.) and DM hydantoin (the non-formaldehyde-containing parent compound of DMDM hydantoin).
Kate Wolitzky-Taylor et al.
Community mental health journal, 55(1), 83-99 (2018-03-07)
CBT is considered the first-line treatment for anxiety disorders, particularly when it involves gradual confrontation with feared stimuli (i.e., exposure); however, delivery of CBT for anxiety disorders in real-world community clinics is lacking. This study utilized surveys we developed with
Alideertu Dong et al.
ACS applied materials & interfaces, 3(11), 4228-4235 (2011-10-20)
Magnetic/antibacterial bifunctional nanoparticles were fabricated through the immobilization of antibacterial N-halamine on silica-coated Fe(3)O(4)-decorated poly(styrene-co-acrylate acid) (PSA) nanoparticles. The samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectra (XPS), X-ray diffraction (XRD), energy-dispersive X-ray
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