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L-CYSTEIC ACID

L-CYSTEIC ACID structure

CAS No.: 498-40-8

Chemical Name:: L-CYSTEIC ACID

Synonyms: L-Alanine, 3-sulfo-;(R)-2-Amino-3-sulfopropanoic acid;Cysteicacid;L-cysteicaci;H-Cys(O3H)-OH;-Cysteic Acid;L-CYSTEIC ACID;CYSTEIC ACID, L-;3-Sulfo-L-alanine;L-(+)-CYSTEIC ACID

CBNumber:: CB3362712

Molecular Formula:: C3H7NO5S

Molecular Weight:: 169.16

MDL Number:: MFCD00007524

MOL File:: 498-40-8.mol

MSDS File:: SDS

Last updated:2025-04-17 18:22:24

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L-CYSTEIC ACID Properties

Melting point	260℃ (dec.)
alpha	[α]D20 +7.5～+9.5° (c=7.4, H2O)
Density	1.775±0.06 g/cm3(Predicted)
refractive index	8 ° (C=5, H2O)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Methanol (Slightly), Water (Slightly)
pka	1.3(at 25℃)
form	Powder or Crystalline Powder
color	White to off-white
optical activity	+8.66 (H2O)
Water Solubility	almost transparency
Merck	14,2780
CAS DataBase Reference	498-40-8(CAS DataBase Reference)
FDA UNII	M6W2DJ6N5K
EPA Substance Registry System	L-Alanine, 3-sulfo- (498-40-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H332-H335

Precautionary statements

P280-P305+P351+P338-P310

Risk Statements

36/38

Safety Statements

26-36

HS Code

2930909899

NFPA 704

	0
1		0

L-CYSTEIC ACID price More Price(14)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	C0514	L-Cysteic Acid >98.0%(T)	498-40-8	1g	$21	2025-07-31	Buy
TCI Chemical	C0514	L-Cysteic Acid >98.0%(T)	498-40-8	25g	$143	2025-07-31	Buy
TRC	A629373	L-Cysteic Acid	498-40-8	10mg	$50	2021-12-16	Buy
American Custom Chemicals Corporation	API0003098	L-(+)-CYSTEIC ACID 95.00%	498-40-8	10G	$184.3	2021-12-16	Buy
Activate Scientific	AS87938	3-Sulfo-L-alanine 95+% ee	498-40-8	25g	$348	2021-12-16	Buy

Product number	Packaging	Price	Buy
C0514	1g	$21	Buy
C0514	25g	$143	Buy
A629373	10mg	$50	Buy
API0003098	10G	$184.3	Buy
AS87938	25g	$348	Buy

L-CYSTEIC ACID Chemical Properties,Uses,Production

Uses

L-Cysteic Acid is a major metabolite of non-essential amino acid L-Cysteine.

Definition

ChEBI: The L-enantiomer of cysteic acid.

IC 50

Human Endogenous Metabolite

L-CYSTEIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

L-CYSTEIC ACID Suppliers

Global( 156)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21622	55
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10406	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22963	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29800	58
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32431	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Honest Joy Holdings Limited	0755-36694831 +8613717124449	sale@feiyang.com.cn	China	300	58
GL Biochem (Shanghai) Ltd.	+86-021-61263370 +86-18901917034		CHINA	3904	58
GL Biochem(Binhai) Ltd.	+86-021-61263370 +8615301650015	wuqiuyan@glschina.com	China	2975	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
Shenzhen Nexconn Pharmatechs Ltd	58
Hubei xin bonus chemical co. LTD	58
Standardpharm Co. Ltd.	58
career henan chemical co	58
TargetMol Chemicals Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Honest Joy Holdings Limited	58
GL Biochem (Shanghai) Ltd.	58
GL Biochem(Binhai) Ltd.	58

View Lastest Price from L-CYSTEIC ACID manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-01-13	L-CYSTEIC ACID 498-40-8	US $1.00 / KG	1KG	98%-99.9%	200kg	Career Henan Chemical Co

L-CYSTEIC ACID
498-40-8
US $1.00 / KG
98%-99.9%
Career Henan Chemical Co

L-CYSTEIC ACID Spectrum

L-CYSTEIC ACID(498-40-8)MS L-CYSTEIC ACID(498-40-8)¹HNMR L-CYSTEIC ACID(498-40-8)¹³CNMR L-CYSTEIC ACID(498-40-8)IR1 L-CYSTEIC ACID(498-40-8)IR2

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H-Cys(O3H)-OH CYSTEIC ACID, L- L-(+)-CYSTEIC ACID L-CYSTEIC ACID L-2-AMINO-3-SULFOPROPIONIC ACID Cysteicacid L-Cysteic acid anhydrous 2-amino-3-sulfo-propanoic acid (2R)-2-Amino-3-sulfopropionic acid (R)-2-Amino-3-sulfopropanoic acid 3-Sulfo-L-alanine Cysteine sulfonic acid L-Cystein sulfonic acid 2-AMINOSULPHOPROPIONIC ACID L-Cysteic Acid (2R)-2-Amino-3-sulfopropanoic acid L-Cysteic Acid > Acetylcysteine Impurity 2 (L-Cysteic Acid) L-Alanine, 3-sulfo- -Cysteic Acid L-cysteicaci L-CYSTEIC ACID USP/EP/BP L-CYSTEIC ACID? 99.0% 498-40-8