CAS No.14949-00-9,5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	14949-00-9
Name:	5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE
Article Data:	55

Formula:	C2H4 N4 O2 S2
Molecular Weight:	180.211
Synonyms:	2-Amino-1,3,4-thiadazole-5-sulfonamide;2-Amino-1,3,4-thiadiazole-5-sulfonamide; 5-Amino-1,3,4-thiadiazol-2-sulfonamide;5-Amino-1,3,4-thiadiazole-2-sulfonamide; CL 5343; NSC 22979; Tio-urasin
Density:	1.865g/cm³
Melting Point:	188-190°C
Boiling Point:	484.2°C at 760 mmHg
Flash Point:	246.6°C
Solubility:	4.739g/L(15 oC)
Safety:	An experimental teratogen. When heated to decomposition it emits very toxic fumes of NO_x, Na₂O, and SO_x.
PSA:	148.58000
LogP:	1.13000

Synthetic route

: 59-66-5
acetazolamide

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

Conditions

Conditions	Yield
With hydrogenchloride In ethanol for 4h; Reflux;	100%
With hydrogenchloride In methanol; water for 18h; Reflux;	98%
With hydrogenchloride; water In methanol for 18h; Reflux;	98%

: 59-66-5
acetazolamide

A: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

B: 64-19-7
acetic acid

Conditions

Conditions	Yield
With water at 25℃; Thermodynamic data; effect of pH (1.68 - 8.17), two buffer species (phosphate and citrate), ionic strength and temperature on stability of title compound; Ea;

: 120208-98-2
5-amino-2-sulfamoyl-1,3,4-thiadiazole monohydrochloride

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

Conditions

Conditions	Yield
With sodium hydrogencarbonate In water pH=7;

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 22965-98-6, 72758-79-3, 1030-27-9
4-(dimethylamino)chalcone

: 5-[(E)-3-(4-Dimethylamino-phenyl)-1-phenyl-prop-2-en-(Z)-ylideneamino]-[1,3,4]thiadiazole-2-sulfonic acid amide

Conditions

Conditions	Yield
In ethanol for 8h; Heating;	97%

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 19039-94-2
(E)-4-(3,4,5-trimethoxyphenyl)but-3-en-2-one

: 5-[(E)-1-Methyl-3-(3,4,5-trimethoxy-phenyl)-prop-2-en-(E)-ylideneamino]-[1,3,4]thiadiazole-2-sulfonic acid amide

Conditions

Conditions	Yield
In ethanol for 8h; Heating;	97%

: 108-30-5
succinic acid anhydride

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 78851-85-1
4-oxo-4-((5-sulfamoyl-1,3,4-thiadiazol-2-yl)amino)butanoic acid

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 100℃; for 12h;	96%
In acetonitrile Reflux;	85.5%
In N,N-dimethyl-formamide at 50℃;	33%

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 2,4,6-tri(trideuteromethyl)pyrylium perchlorate

: 2,4,6-(trimethyl-d9)-1-(2-sulfonamido-1,3,4-thiadiazol-5-yl)pyridinium perchlorate

Conditions

Conditions	Yield
In dichloromethane Ambient temperature;	92%

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 6552-67-6, 30925-59-8, 77636-36-3
(E)-1-(4-methoxyphenyl)-3-(4-nitrophenyl)-2-propen-1-one

: 5-[(E)-1-(4-Methoxy-phenyl)-3-(4-nitro-phenyl)-prop-2-en-(Z)-ylideneamino]-[1,3,4]thiadiazole-2-sulfonic acid amide

Conditions

Conditions	Yield
In ethanol for 8h; Heating;	92%

: 590-28-3
potassium cyanate

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 109907-71-3
5-ureido-1,3,4-thiadiazole-2-sulfonamide

Conditions

Conditions	Yield
With hydrogenchloride In ethanol at 50℃;	90%

: 14949-00-9
5-amino-1, 3, 4-thiadiazole-2-sulfonamide

: 624-83-9
methyl isocyanate

: 32873-77-1
5-(N'-methylureido)-1,3,4-thiadiazole-2-sulfonamide

Conditions

Conditions	Yield
In ethyl acetate for 1h; Heating;	90%

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Safety Profile

An experimental teratogen. When heated to decomposition it emits very toxic fumes of NO_x, Na₂O, and SO_x.