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686166

Sigma-Aldrich

2-Amino-5-methyl-1,3,4-thiadiazole

97%

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About This Item

Empirical Formula (Hill Notation):
C3H5N3S
CAS Number:
108-33-8
Molecular Weight:
115.16
EC Number:
203-573-7
MDL number:
MFCD00003110
UNSPSC Code:
12352100
PubChem Substance ID:
329761026
NACRES:
NA.22

Quality Level

100

Assay

97%

form

solid

mp

223-228 °C

SMILES string

Cc1nnc(N)s1

InChI

1S/C3H5N3S/c1-2-5-6-3(4)7-2/h1H3,(H2,4,6)

InChI key

HMPUHXCGUHDVBI-UHFFFAOYSA-N

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Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 - H315 - H319 - H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

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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1,3,4-Thiadiazole-2,5-dithiol 98%

Sigma-Aldrich

D129003

1,3,4-Thiadiazole-2,5-dithiol

Jingjing Zhang et al.
Carbohydrate polymers, 215, 108-118 (2019-04-15)
In the current study, five novel urea-functionalized chitosan derivatives were synthesized via condensation reactions of chloroacetyl chitosan (CTCS) with urea groups bearing nitrogen-containing heterocycles. In order to identify the structure characteristics of chitosan derivatives, FT-IR, 1H NMR spectroscopy, and elemental
Jingjing Zhang et al.
Carbohydrate polymers, 234, 115903-115903 (2020-02-20)
In this study, 2-urea-chitosan oligosaccharide derivatives (2-urea-COS derivatives) and 2,6-diurea-chitosan oligosaccharide derivatives (2,6-diurea-COS derivatives) were successfully designed and synthesized via intermediate 2-methoxyformylated chitosan oligosaccharide. All samples were characterized and compared based on FT-IR, 1H NMR spectroscopy, and elemental analysis. The

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