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
Quality Level
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
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
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J A Nelson et al.
Cancer research, 36(4), 1375-1378 (1976-04-01)
The effects of 2-amino-1,3,4-thiadiazole [aminothiadiazole (NSC 4728)] on purine and pyrimidine ribonucleotide pools of L1210 ascites cells in vivo are presented and discussed as they relate to the site of action. Within 1 hr after administration of the drug, the
P F Engstrom et al.
American journal of clinical oncology, 14(1), 33-35 (1991-02-01)
Twenty-three patients with advanced inoperable squamous cell carcinoma of the esophagus were treated with aminothiadiazole (A-TD) 125 mg/m2 weekly plus allopurinol daily in a phase II cooperative group trial. No patients responded to treatment; 17 patients progressed, three showed stable
R F Asbury et al.
American journal of clinical oncology, 10(5), 380-382 (1987-10-01)
The Eastern Cooperative Oncology Group (ECOG) studied 29 patients with advanced measurable colon cancer who were treated with Aminothiadiazole (NSC #4728) 125 mg/m2 intravenously. Allopurinol 300 mg daily was taken by all patients during treatment. Three patients (12%) demonstrated partial