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5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE structure

CAS No.: 14949-00-9

Chemical Name:: 5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE

Synonyms: 5-AMino-1,3,4-thiadiazole-2-sulfonaMide Hydrochloride Salt;L 5343;CL 5343;Nsc22979;Zolamide;Tio-urasin;Lavybens Refrence Standard RC-D;Acetazolamide Impurity 4 Monomer;Acetazolamide USP Related Compound D;2-AMino-1,3,4-thiadazole-5-sulfonaMide

CBNumber:: CB6442554

Molecular Formula:: C2H4N4O2S2

Molecular Weight:: 180.21

MDL Number:: MFCD03425417

MOL File:: 14949-00-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 05:32:32

Product description	Number	Pack Size	Price
Acetazolamide Related Compound D certified reference material, pharmaceutical secondary standard	PHR2826	50MG	$584
Acetazolamide Related Compound D United States Pharmacopeia (USP) Reference Standard	1005048	25mg	$1390
5-Amino-1,3,4-thiadiazole-2-sulfonamide	A3569	250MG	$192
5-Amino-1,3,4-thiadiazole-2-sulfonamide	002573	10mg	$531
5-Amino-1,3,4-thiadiazole-2-sulfonamide	FA17385	250mg	$190
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5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Properties

Melting point	188-190°C
Boiling point	484.2±28.0 °C(Predicted)
Density	1.865±0.06 g/cm3(Predicted)
refractive index	1.6440 (estimate)
storage temp.	Refrigerator
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	7.76±0.60(Predicted)
color	White
Water Solubility	4.739g/L(15 ºC)
Major Application	pharmaceutical (small molecule)
InChI	InChI=1S/C2H4N4O2S2/c3-1-5-6-2(9-1)10(4,7)8/h(H2,3,5)(H2,4,7,8)
InChIKey	VGMVBPQOACUDRU-UHFFFAOYSA-N
SMILES	S1C(N)=NN=C1S(N)(=O)=O
FDA UNII	F687N81LIZ
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319-H302-H335-H315
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501
WGK Germany	WGK 3
HS Code	2935909550
Storage Class	11 - Combustible Solids
Toxicity	CL 5343 SODIUM SALT TIO-URASIN SODIUM ZOLAMIDE SOLUTION

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE price More Price(72)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR2826	Acetazolamide Related Compound D certified reference material, pharmaceutical secondary standard	14949-00-9	50MG	$584	2026-04-30	Buy
Sigma-Aldrich	1005048	Acetazolamide Related Compound D United States Pharmacopeia (USP) Reference Standard	14949-00-9	25mg	$1390	2026-04-30	Buy
TCI Chemical	A3569	5-Amino-1,3,4-thiadiazole-2-sulfonamide	14949-00-9	250MG	$192	2026-04-30	Buy
Usbiological	002573	5-Amino-1,3,4-thiadiazole-2-sulfonamide	14949-00-9	10mg	$531	2026-06-03	Buy
Biosynth	FA17385	5-Amino-1,3,4-thiadiazole-2-sulfonamide	14949-00-9	250mg	$190	2026-06-04	Buy

Product number	Packaging	Price	Buy
PHR2826	50MG	$584	Buy
1005048	25mg	$1390	Buy
A3569	250MG	$192	Buy
002573	10mg	$531	Buy
FA17385	250mg	$190	Buy

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Acetazolamide intermediate.

Safety Profile

An experimental teratogen. Whenheated to decomposition it emits very toxic fumes ofNOx, Na₂O, and SOx.

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE synthesis

Synthesis of 5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE from Acetazolamide

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Preparation Products And Raw materials

Raw materials

Acetazolamide 5-Amino-1,3,4-thiadiazole-2-sulfonamide Hydrochloride Salt Acetic acid

Preparation Products

N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)hex-5-ynamide AEG 3482 4-[[5-(AMINOSULFONYL)-1,3,4-THIADIAZOL-2-YL]AMINO]-4-OXO-BUTANOIC ACID

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Suppliers

Global( 106)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32466	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30225	58
BOC Sciences	16314854226; +16314854226	inquiry@bocsci.com	United States	19853	58
sgtlifesciences pvt ltd	+8617013299288	dj@sgtlifesciences.com	China	12373	58
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20405	58
Shanghai Acmec Biochemical Technology Co., Ltd.	+86-18621343501; +undefined18621343501	product@acmec-e.com	China	33324	58
Wuhan Jingkang en Biomedical Technology Co., Ltd	+8613720134139	orders@jknbiochem.com	China	5221	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	cooperation@kean-chem.com	China	40066	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	+undefined18603013401	jack.lin@sincopharmachem.com	China	9996	58

Supplier	Advantage
Capot Chemical Co.,Ltd.	60
TargetMol Chemicals Inc.	58
Career Henan Chemica Co	58
BOC Sciences	58
sgtlifesciences pvt ltd	58
Alfa Chemistry	58
Shanghai Acmec Biochemical Technology Co., Ltd.	58
Wuhan Jingkang en Biomedical Technology Co., Ltd	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	58

View Lastest Price from 5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-05-16	Zolamide 14949-00-9	$52.00-102.00		99.75%	10g	TargetMol Chemicals Inc.

Zolamide
14949-00-9
$52.00-102.00
99.75%
TargetMol Chemicals Inc.

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE Spectrum

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE(14949-00-9)¹HNMR

14949-00-9(5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE)Related Search:

2-(AcetylaMino)-5-sulfo-1,3,4-thiadiazole 2-Acetylamino-5-mercapto-1,3,4-thiadiazole NSC 231656 CL 19506 7-5526 5-tert-butyl-N-methyl-1,3,4-thiadiazol-2-amine

N,N'-[IMinobis(sulfonyl-1,3,4-thiadiazole-5,2-diyl)]bisacetaMide ACETAZOLAMIDE-D3 5-Amino-1,3,4-thiadiazole-2-thiol Acetazolamide 2-CHLORO-N-1,3,4-THIADIAZOL-2-YLACETAMIDE

bis(2-Acetamido-1,3,4-thiadiazol-5-yl) Disulfide 2-(ACETAMIDO)-5-(CHLOROSULFONYL)-1,3,4-THIADIAZOLE N-[3-methyl-5-[(phenylmethyl)thio]-1,3,4-thiadiazol-2(3H)-ylidene]acetamide AC-GLY-OSU 1-Cyclohexylethan-1-one

1-ACETYL-3-THIOSEMICARBAZIDE Benzolamide 4-[[5-(AMINOSULFONYL)-1,3,4-THIADIAZOL-2-YL]AMINO]-4-OXO-BUTANOIC ACID

1of4

5-AMINO-1,3,4-THIADIAZOLE-2-SULFONAMIDE 1,3,4-Thiadiazole-2-sulfonamide,5-amino-(6CI,7CI,8CI,9CI) CL 5343 Tio-urasin 1,3,4-Thiadiazole-2-sulfonamide, 5-amino- 1,3,4-Thiadiazole-5-sulfonamide, 2-amino- 2-Amino-1,3,4-thiadiazole-5-sulfonamide Nsc22979 5-AMino-1,3,4-thiadiazole-2-sulfonaMide Hydrochloride Salt 2-AMino-1,3,4-thiadazole-5-sulfonaMide L 5343 5-Amino-1,3,4-thiadiazol-2-sulfonamide Zolamide Acetazolamide USP Related Compound D d.?5-amino-1,3,4-thiadiazole-2-sulfonamide Acetazolamide EP Impurity D (Acetazolamide USP Related Compound D) Lavybens Refrence Standard RC-D 5-Amino-1,3,4-thiadiazol-2-sulfonamide(99% purity) Acetazolamide Impurity 4 Monomer Acetazolamide Impurity 4 Monomer (Acetazolamide EP Impurity D Monomer) 5-Amino-1,3,4-thiadiazole-2-sulfonamide(CL 5343) 14949-00-9 C2H4N4O2S2 SULFONAMIDE Amines Heterocycles Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds