258881
2-Amino-1,3,4-thiadiazole
97%
Synonym(s):
1,3,4-Thiadiazol-2-amine
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About This Item
Empirical Formula (Hill Notation):
C2H3N3S
CAS Number:
Molecular Weight:
101.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
223-657-7
Beilstein/REAXYS Number:
107135
MDL number:
Assay:
97%
Form:
powder
InChI key
QUKGLNCXGVWCJX-UHFFFAOYSA-N
InChI
1S/C2H3N3S/c3-2-5-4-1-6-2/h1H,(H2,3,5)
SMILES string
Nc1nncs1
assay
97%
form
powder
mp
188-191 °C (dec.) (lit.)
solubility
water: soluble 25 mg/mL, clear, colorless
Quality Level
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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.
signalword
Warning
hcodes
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
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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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
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
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.
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
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