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D-Cysteine hydrochloride

D-Cysteine hydrochloride structure

CAS No.: 32443-99-5

Chemical Name:: D-Cysteine hydrochloride

Synonyms: D-Cys·HCl;D-Cystein;D-CYS.HCL.H2O;H-D-CYS-OH HCL;D-CYSTEINE HCL;H-D-CYC-OH.HCL;D-Cys-OH·H2O·HCl;D-Cys-OH·HCl·H2O;H-D-Cys-OH.H2O.HCl;H-D-Cys-OH HCI H2O

CBNumber:: CB8407218

Molecular Formula:: C3H7NO2S.ClH.H2O

Molecular Weight:: 175.63

MDL Number:: MFCD00012632

MOL File:: 32443-99-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 05:00:10

Product description	Number	Pack Size	Price
D-Cysteine hydrochloride monohydrate ≥98% (TLC)	C8005	1g	$199
D-Cysteine hydrochloride monohydrate ≥98% (TLC)	C8005	5g	$647
D-Cysteine hydrochloride	269659	5g	$305
D-Cysteine hydrochloride	269659	10g	$403
D-Cysteine hydrochloride	269659	25g	$531
More product size

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D-Cysteine hydrochloride Properties

Melting point	~185 °C (dec.)
alpha	-6.4 º (c=5%,5M HCl)
storage temp.	2-8°C
solubility	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form	Powder
color	White to off-white
optical activity	Consistent with structure
BRN	5645478
Major Application	peptide synthesis
InChI	InChI=1/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/s3
InChIKey	IFQSXNOEEPCSLW-NNUCSGGJNA-N
SMILES	[C@@H](N)(CS)C(=O)O.Cl \|&1:0,r\|
CAS DataBase Reference	32443-99-5(CAS DataBase Reference)
UNSPSC Code	12352209
NACRES	NA.32

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319
Precautionary statements	P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
PPE	dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
F	3-10-23
HS Code	29309010
Storage Class	11 - Combustible Solids

D-Cysteine hydrochloride price More Price(80)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	C8005	D-Cysteine hydrochloride monohydrate ≥98% (TLC)	32443-99-5	1g	$199	2026-04-30	Buy
Sigma-Aldrich	C8005	D-Cysteine hydrochloride monohydrate ≥98% (TLC)	32443-99-5	5g	$647	2026-04-30	Buy
Usbiological	269659	D-Cysteine hydrochloride	32443-99-5	5g	$305	2026-06-03	Buy
Usbiological	269659	D-Cysteine hydrochloride	32443-99-5	10g	$403	2026-06-03	Buy
Usbiological	269659	D-Cysteine hydrochloride	32443-99-5	25g	$531	2026-06-03	Buy

Product number	Packaging	Price	Buy
C8005	1g	$199	Buy
C8005	5g	$647	Buy
269659	5g	$305	Buy
269659	10g	$403	Buy
269659	25g	$531	Buy

D-Cysteine hydrochloride Chemical Properties,Uses,Production

Chemical Properties

White solid

Uses

D-Cysteine hydrochloride is a new insecticide used as mosquito-repellent, toilet water, perfume, emulsion or aerosol

D-Cysteine hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

Dihydroaeruginoic acid

D-Cysteine hydrochloride Suppliers

Global( 395)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	+86-15350851019; +8615350851019	admin@86-ss.com	China	999	58
Hebei Zhuanglai Chemical Trading Co Ltd	+86-16264648883	niki@zlchemi.com	China	7245	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21586	55
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1803	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
Shanxi Naipu Import and Export Co.,Ltd	+86-13734021967 +8613734021967	kaia@neputrading.com	China	1001	58
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29815	58
Jinan Shengqi pharmaceutical Co,Ltd	86+18663751872	christine@shengqipharm.com	CHINA	491	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58

Supplier	Advantage
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	58
Hebei Zhuanglai Chemical Trading Co Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Time Chemicals CO., Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
Shanxi Naipu Import and Export Co.,Ltd	58
career henan chemical co	58
Jinan Shengqi pharmaceutical Co,Ltd	58
Shandong chuangyingchemical Co., Ltd.	58

View Lastest Price from D-Cysteine hydrochloride manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-18	D-Cysteine hydrochloride 32443-99-5		1KG	98%min	30tons/month	WUHAN FORTUNA CHEMICAL CO., LTD
2026-06-15	D-Cysteine hydrochloride 32443-99-5	$75.00-100.00	1kg	99%	5000	HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
2025-05-23	D-Cysteine hydrochloride 32443-99-5	$50.00	1kg	99	5000	Hebei Zhuanglai Chemical Trading Co Ltd

D-Cysteine hydrochloride
32443-99-5
$0.00
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

D-Cysteine hydrochloride
32443-99-5
$75.00-100.00
99%
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

D-Cysteine hydrochloride
32443-99-5
$50.00
99
Hebei Zhuanglai Chemical Trading Co Ltd

D-Cysteine hydrochloride Spectrum

D-Cysteine hydrochloride(32443-99-5)¹HNMR D-Cysteine hydrochloride(32443-99-5)IR D-Cysteine hydrochloride(32443-99-5)Raman

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D-CYSTEINE HYDROCHLORIDE D-CYSTEINE HCL H-D-CYS-OH HCL D-cysteine hydrochloride anhydrous D-Cysteine hydrochloride monohydate D-cysteine HCL monohydrate D-Cysteine Hydrochloride Monohtydrate (S)-2-aMino-3-Mercaptopropanoic acid hydrochloride H-D-Cys · HCl · H2O D-Cysteine hydrochloride Monohydrate SynonyMs (S)-2-AMino-3-Mercaptopropanoic acid hydrochloride D-Cysteine HCL anhydrous D-Cysteine hydrochloride.hcl D-Cys·HCl D-Cys-OH·H2O·HCl D-Cys-OH·HCl·H2O D-Cysteine hydrochloride monohydrate≥ 99.5% (Assay) D-CYSTEINE HYDROCHLORIDE MONOHYDRATECRYS TALLINE H-D-Cys-OH.H2O.HCl D-CYSTEINE HYDROCHLORIDE 1-HYDRATE H-D-Cys-OH.HCl.H2O (D-Cysteine hydrochloride monohydrate) D-CYS.HCL.H2O D-Cystein D-Cysteine hydrochloride MonohydD23-Rate D-Cysteine monohydrate hydrochloride D-cysteine hydrochloride monohydrate Crystalline ,98.5% (2S)-2-amino-3-mercapto-propionic acid hydrochloride (2S)-2-amino-3-sulfanylpropanoic acid hydrochloride (2S)-2-azanyl-3-sulfanyl-propanoic acid hydrochloride D-Cysteine hydrochloride.H2O D-Cysteine hydrochlo D-Cysteine hydrochloride monohydrate ,98.5% H-D-Cys-OH·HCl D-Cysteine hydrochloride H-D-Cys-OH HCI H2O H-D-CYC-OH.HCL D-Cysteine hydrochL CilastatinImpurity12HCl D-Cysteine, hydrochloride (1:1) Cilastatin Impurity 7 HCl D-Cysteine hydrochloride monohydrate 32443-99-5 32433-99-5 C3H7N1O2S1 C3H7NO2SxHCl C5H10NClOS C3H7NO2SHClC3H8ClNO2S C4H10N4O4HCl Cysteine/Cystine Peptide Synthesis Specialty Synthesis Amino Acid Derivatives Cysteine/CystineNeurotransmitters Excitatory Amino Acids NMDA Agonists Peptide Synthesis Cysteine [Cys, C] Amino Acids and Derivatives Amino Acid Derivatives Other APIs