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4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL structure

CAS No.: 38942-50-6

Chemical Name:: 4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL

Synonyms: 3H-1,2,4-Triazole-3-thione, 2,4-dihydro-4,5-dimethyl-;dimethyl-4H-1,2,4-triazole-3-thiol;3,4-Dimethyl-1H-1,2,4-triazole-5(4H);3,4-Dimethyl-4H-1,2,4-triazole-5-thiol;4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL;3,4-dimethyl-1H-1,2,4-triazole-5-thione;4H-1,2,4-Triazole-3-thiol, 4,5-dimethyl-;4,5-Dimethyl-3-mercapto-4H-1,2,4-triazole;4,5-Dimethyl-2H-1,2,4-triazole-3(4H)-thione;3,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione

CBNumber:: CB0479060

Molecular Formula:: C4H7N3S

Molecular Weight:: 129.18

MDL Number:: MFCD01678503

MOL File:: 38942-50-6.mol

MSDS File:: SDS

Last updated:2026-05-27 22:52:10

Product description	Number	Pack Size	Price
4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	OR59837	100mg	$21
4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	OR59837	250mg	$29
4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	OR59837	1g	$67
4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	OR59837	5g	$282
4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	OR59837	25g	$1348

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4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL Properties

Melting point	210 °C(Solv: ethanol (64-17-5))
Boiling point	150.5±23.0 °C(Predicted)
Density	1.35±0.1 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
pka	9.80±0.20(Predicted)
Appearance	White to off-white Solid
Sensitive	Stench
InChI	InChI=1S/C4H7N3S/c1-3-5-6-4(8)7(3)2/h1-2H3,(H,6,8)
InChIKey	OTVCBBXLGYYSNC-UHFFFAOYSA-N
SMILES	N1=C(C)N(C)C(S)=N1
EWG's Food Scores	1
FDA UNII	A87ZS87LEU

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P305+P351+P338
Hazard Codes	Xi
HS Code	2933998090

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL price More Price(44)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR59837	4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	38942-50-6	100mg	$21	2026-06-04	Buy
Apolloscientific	OR59837	4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	38942-50-6	250mg	$29	2026-06-04	Buy
Apolloscientific	OR59837	4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	38942-50-6	1g	$67	2026-06-04	Buy
Apolloscientific	OR59837	4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	38942-50-6	5g	$282	2026-06-04	Buy
Apolloscientific	OR59837	4,5-Dimethyl-4H-1,2,4-triazole-3-thiol >99%	38942-50-6	25g	$1348	2026-06-04	Buy

Product number	Packaging	Price	Buy
OR59837	100mg	$21	Buy
OR59837	250mg	$29	Buy
OR59837	1g	$67	Buy
OR59837	5g	$282	Buy
OR59837	25g	$1348	Buy

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL Chemical Properties,Uses,Production

Synthesis

1068-57-1

556-61-6

38942-50-6

Acetylhydrazine (7.4 g, 100 mmol) was dissolved in ethanol (75 mL) in a 200 mL three-necked round-bottomed flask equipped with a magnetic stir bar and reflux condenser. To this solution was slowly added a solution of methyl isothiocyanate (7.3 g, 100 mmol) in ethanol (75 mL). The reaction mixture was stirred at reflux for 6 hours under nitrogen protection. After completion of the reaction, it was cooled to room temperature and the solvent was removed by rotary evaporator. The resulting wet solid was ground with ether and filtered to give a viscous yellow solid. This solid was further ground with hot dichloromethane/ethyl acetate (1:1, v/v) solvent mixture to give a white solid of the uncyclized intermediate. All the reaction related solids and liquids were combined and redissolved in ethanol. 1 M aqueous sodium hydroxide solution (50 mL) was added and refluxed for 1 h under nitrogen protection. The reaction solution was acidified to pH 4-5 with acetic acid and subsequently cooled in an ice bath to promote precipitation. The white solid formed was collected by filtration and washed with ether (the mother liquor was repeated the crystallization process three times). All collected solids were combined and purified by silica gel column chromatography with an eluent of 14% methanol/ethyl acetate. The collected target fractions were concentrated, washed with ether and filtered to give 5.02 g (38.9% yield) of 3,4-dimethyl-1H-1,2,4-triazole-5(4H)-thione. The product was characterized by 1H NMR (DMSO-d6): δ 2.27 (s, 3H), 3.37 (s, 3H), 13.36 (wide s, 1H). Mass spectrometry (APCI) analysis: calculated value of C4H7N3S was 129.18; measured value (M+H+) was 130.0.

References

[1] Patent: US2005/176701, 2005, A1. Location in patent: Page/Page column 214

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL Preparation Products And Raw materials

Raw materials

Acethydrazide Methyl isothiocyanate Water Sodium hydroxide Ethanol

Preparation Products

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL Suppliers

Global( 65)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
Shanxi Xuanran Import and Export Trade Co., Ltd.	+8617735180244	mike_yan@xuanranglobal.com	CHINA	4017	58
Ningxia LabsChem Co., Ltd.	0952-9294929 +8613895679378	48472788@qq.com	China	352	58
Eastar Chemical Corp	+86-024-25362369-8022 +8613998281317	angelameng@chinaeastar.com	United States	376	58
Nanjing Bicbiotechnology Co., Ltd	+86-2552131256 +86-18251840740	sales@bicbiotech.com	China	5994	58
Aladdin Scientific		tp@aladdinsci.com	United States	52923	58
Shaanxi Dideu New Materials Co. Ltd	+8617791530287	1036@dideu.com	China	12330	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53803	58
Nanjing Moldeep Biochemical Co., Ltd.	+86-25-58282389 +8618913958656	inquiries@moldeep.com	China	20000	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131956	58

Supplier	Advantage
Alchem Pharmtech,Inc.	58
Shanxi Xuanran Import and Export Trade Co., Ltd.	58
Ningxia LabsChem Co., Ltd.	58
Eastar Chemical Corp	58
Nanjing Bicbiotechnology Co., Ltd	58
Aladdin Scientific	58
Shaanxi Dideu New Materials Co. Ltd	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58
Nanjing Moldeep Biochemical Co., Ltd.	58
Amadis Chemical Company Limited	58

View Lastest Price from 4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-06-30	4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL 38942-50-6		1kg	99%	10000KGS	Shaanxi Dideu New Materials Co. Ltd

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL
38942-50-6
$0.00
99%
Shaanxi Dideu New Materials Co. Ltd

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL Spectrum

4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL(38942-50-6)¹HNMR

38942-50-6(4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL)Related Search:

4-METHYL-5-(TRIFLUOROMETHYL)-1,2,4-TRIAZOLIN-3(2H)-THIONE 5-[(4,5-DICHLOROIMIDAZOL-1-YL)METHYL]-4-METHYL-1,2,4-TRIZOLE-3-THIOL 4-(3-METHOXYPROPYL)-5-[4-(TRIFLUOROMETHYL)PHENYL]-4H-1,2,4-TRIAZOLE-3-THIOL 4-(4-CHLORO-PHENYL)-5-(4-TRIFLUOROMETHOXY-PHENYL)-4H-[1,2,4]TRIAZOLE-3-THIOL 4-(4-METHOXYPHENYL)-5-[4-(TRIFLUOROMETHOXY)PHENYL]-4H-1,2,4-TRIAZOLE-3-THIOL

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N'1-(2-CHLOROACETYL)-2-((4-(3-METHOXYPROPYL)-5-[4-(TRIFLUOROMETHYL)PHENYL]-4H-1,2,4-TRIAZOL-3-YL)THIO)ETHANOHYDRAZIDE N1-(2-CHLOROPHENYL)-2-((5-[(4,5-DICHLORO-1H-IMIDAZOL-1-YL)METHYL]-4-METHYL-4H-1,2,4-TRIAZOL-3-YL)THIO)ACETAMIDE 5-(4-BROMO-3,5-DIMETHYLPYRAZOL-1-YLMETHYL)-4-METHYL-1,2,4-TRIAZOLE-3-THIOL

1of4

4-triazole-3-thione,2,4-dihydro-4,5-dimethyl-3h-2 2,4-dihydro-4,5-dimethyl-3H-1,2,4-triazole-3-thione 3H-1,2,4-Triazole-3-thione,2,4-dihydro-4,5-dimethyl-(9CI) 3,4-Dimethyl-4H-1,2,4-triazole-5-thiol 4,5-Dimethyl-2H-1,2,4-triazole-3(4H)-thione 4-Methyl-5-methyl-4H-[1,2,3]triazole-3-thiol 4,5-dimethyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE) 4,5-Dimethyl-3-mercapto-4H-1,2,4-triazole 4,5-diMethyl-4,5-dihydro-1H-1,2,3-triazole-1-thiol 4,5-Dimethyl-3-mercapto-4H-1,2,4-triazole, 4,5-Dimethyl-3-thio-4H-1,2,4-triazole, 4,5-Dimethyl-3-sulphanyl-4H-1,2,4-triazole 4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL 3,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione 3,4-Dimethyl-1H-1,2,4-triazole-5(4H) 4H-1,2,4-Triazole-3-thiol, 4,5-dimethyl- dimethyl-4H-1,2,4-triazole-3-thiol 4,5-Dimethyl-2,5-dihydro-1H-1,2,3-triazole-1-thiol 3,4-dimethyl-1H-1,2,4-triazole-5-thione 3H-1,2,4-Triazole-3-thione, 2,4-dihydro-4,5-dimethyl- 38942-50-6 THIOL Pyrazoles & Triazoles Pyrazoles & Triazoles

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