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L-Buthionine

L-Buthionine structure

CAS No.: 13073-21-7

Chemical Name:: L-Buthionine

Synonyms: L-Buthione;L-Buthionine;S-BUTYL-L-HOMOCYSTEINE;L-Homocysteine, S-butyl-;L-2-Amino-4-(butylthio)butyric Acid;2-[(E)-but-1-en-3-ynyl]-1,3,3-trimethylcyclohexene

CBNumber:: CB0322805

Molecular Formula:: C8H17NO2S

Molecular Weight:: 191.29

MDL Number:: MFCD00063665

MOL File:: 13073-21-7.mol

MSDS File:: SDS

Last updated:2026-09-12 18:48:07

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L-Buthionine Properties

Melting point	266-268°C
Boiling point	335.7±37.0 °C(Predicted)
Density	1.104±0.06 g/cm3(Predicted)
storage temp.	-20°C Freezer
solubility	Aqueous Acid (Slightly), Aqueous Base (Slightly)
form	Solid
pka	2.23±0.10(Predicted)
color	White
CAS DataBase Reference	13073-21-7

L-Buthionine price More Price(13)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
AHH	MT-03833	L-Buthionine 97%		10g	$520	2026-05-26	Buy
aablocks	AA000USZ	L-Buthionine	13073-21-7	500mg	$224	2026-05-25	Buy
Usbiological	B8996-16	L-Buthionine	13073-21-7	1g	$418	2021-12-16	Buy
TRC	B690235	L-Buthionine	13073-21-7	10g	$910	2021-12-16	Buy
Biosynth	FB19387	L-Buthionine	13073-21-7	250mg	$80	2021-12-16	Buy

Product number	Packaging	Price	Buy
MT-03833	10g	$520	Buy
AA000USZ	500mg	$224	Buy
B8996-16	1g	$418	Buy
B690235	10g	$910	Buy
FB19387	250mg	$80	Buy

L-Buthionine Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

(S)-Homocysteine thioether

L-Buthionine Preparation Products And Raw materials

Raw materials

Preparation Products

L-Buthionine Suppliers

Global Suppliers ( 31)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	9920	65
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226	sales@rrkchem.com	China	57336	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19904	58
Jiangsu Hongmin Pharmaceutical Co., Ltd.	18221292452	fannieliu@glschina.com	China	6798	58
Energy Chemical	021-58432009 400-005-6266	marketing@energy-chemical.com	China	44871	58
Hangzhou Bingochem Co., Ltd.	0571-87658025	sales@bingochem.com	China	21532	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Chemsky（shanghai）International Co.,Ltd.	50
BOC Sciences	65
Amadis Chemical Company Limited	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	58
Nextpeptide Inc	58
Jiangsu Hongmin Pharmaceutical Co., Ltd.	58
Energy Chemical	58
Hangzhou Bingochem Co., Ltd.	58

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S-BUTYL-L-HOMOCYSTEINE L-Buthione L-2-Amino-4-(butylthio)butyric Acid 2-[(E)-but-1-en-3-ynyl]-1,3,3-trimethylcyclohexene L-Homocysteine, S-butyl- L-Buthionine 13073-21-7 Amino Acids 13C, 2H, 15N Amino Acids & Derivatives Sulfur & Selenium Compounds