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258881

Sigma-Aldrich

2-Amino-1,3,4-thiadiazole

97%

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Synonym(s):
1,3,4-Thiadiazol-2-amine
Empirical Formula (Hill Notation):
C2H3N3S
CAS Number:
Molecular Weight:
101.13
Beilstein/REAXYS Number:
107135
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

97%

form

powder

mp

188-191 °C (dec.) (lit.)

solubility

water: soluble 25 mg/mL, clear, colorless

SMILES string

Nc1nncs1

InChI

1S/C2H3N3S/c3-2-5-4-1-6-2/h1H,(H2,3,5)

InChI key

QUKGLNCXGVWCJX-UHFFFAOYSA-N

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1 of 4

This Item
494216438537D129003
vibrant-m

258881

2-Amino-1,3,4-thiadiazole

vibrant-m

438537

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

vibrant-m

D129003

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

solubility

water: soluble 25 mg/mL, clear, colorless

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

mp

188-191 °C (dec.) (lit.)

mp

178-181 °C (lit.)

mp

223-227 °C (lit.)

mp

162 °C (dec.) (lit.)

form

powder

form

-

form

solid

form

powder

General description

2-Amino-1,3,4-thiadiazole (donor) form charge transfer complexes with 2,3-dichloro-5,6-dicyano-p-benzoquinone, p-chloranil, o-chloranil, p-bromanil and chloranilic acid (acceptors). Effects of 2-amino-1,3,4-thiadiazole [aminothiadiazole (NSC 4728)] on purine and pyrimidine ribonucleotide pools of L1210 ascites cells in vivo has been reported.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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G Mazzone et al.
Farmaco (Societa chimica italiana : 1989), 48(9), 1207-1224 (1993-09-01)
We prepared some series of 2-(alkylaminoacyl) derivatives of 2-amino-1,3,4-thiadiazoles. Most terms were subjected to a biological screening showing a local anesthetic activity both in infiltration and trunkular tests. For some of the assayed derivatives, the activity was comparable to that
Hamid Latif Siddiqui et al.
Molecules (Basel, Switzerland), 11(2), 206-211 (2007-10-27)
Five novel Schiff bases have been prepared from o-formylphenoxyacetic acid and a series of aminothiazoles to form a number of potentially biologically active compounds. The structures of these Schiff bases have been characterized using IR and (1)H-and (13)C-NMR spectroscopy.
M Gaber et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 62(1-3), 526-531 (2005-11-01)
Charge transfer (CT) complexes formed between 2-amino-1,3,4-thiadiazole as donor and 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ), p-chloranil (p-CHL), o-chloranil (o-CHL), p-bromanil (BRL) and chloranilic acid (CHA) as acceptors, have been studied spectrophotometrically. Benesi-Hildebrand and Job continuous variation methods were applied to the determination of
R F Asbury et al.
American journal of clinical oncology, 12(5), 375-377 (1989-10-01)
Twenty-six evaluable patients with advanced nonsquamous cell cervical cancer were treated with aminothiadiazole at a dosage of 125 mg/m2 weekly. Sixteen had received prior chemotherapy. Two patients had complete responses neither had received prior chemotherapy; nine had stable disease; 15
P J Elson et al.
Investigational new drugs, 6(2), 97-103 (1988-06-01)
One hundred and forty-four evaluable patients with recurrent or metastatic renal cell carcinoma (RCC) were treated with vinblastine infusion (n = 35), L-alanosine (n = 36), acivicin (n = 27), or aminothiadiazole (n = 46). Observed objective response rates of

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