ChemicalBook >> CAS DataBase List >>D-Cysteine hydrochloride
D-Cysteine hydrochloride
- 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
Last updated:2026-01-13 11:26:12
| Product description | Number | Pack Size | Price |
| D-Cysteine hydrochloride monohydrate ≥98% (TLC) | C8005 | 1g | $188 |
| D-Cysteine hydrochloride monohydrate ≥98% (TLC) | C8005 | 5g | $608 |
| D-Cysteine hydrochloride monohydrate ≥98% (TLC) | C8005 | 250mg | $50 |
| D-Cysteine hydrochloride monohydrate ≥98% (TLC) | C8005 | 500mg | $99.8 |
| D-CysteineHydrochloride | C995030 | 1g | $55 |
| More product size | |||
| 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(25)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | C8005 | D-Cysteine hydrochloride monohydrate ≥98% (TLC) | 32443-99-5 | 1g | $188 | 2025-07-31 | Buy |
| Sigma-Aldrich | C8005 | D-Cysteine hydrochloride monohydrate ≥98% (TLC) | 32443-99-5 | 5g | $608 | 2025-07-31 | Buy |
| Sigma-Aldrich | C8005 | D-Cysteine hydrochloride monohydrate ≥98% (TLC) | 32443-99-5 | 250mg | $50 | 2023-06-20 | Buy |
| Sigma-Aldrich | C8005 | D-Cysteine hydrochloride monohydrate ≥98% (TLC) | 32443-99-5 | 500mg | $99.8 | 2023-06-20 | Buy |
| TRC | C995030 | D-CysteineHydrochloride | 32443-99-5 | 1g | $55 | 2021-12-16 | Buy |
D-Cysteine hydrochloride Preparation Products And Raw materials
Global( 393)Suppliers
| Supplier | Tel | 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; +8613336195806 | sales@capot.com | China | 29735 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21597 | 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 | 29831 | 58 |
| Jinan Shengqi pharmaceutical Co,Ltd | 86+18663751872 | christine@shengqipharm.com | CHINA | 491 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22963 | 58 |
View Lastest Price from D-Cysteine hydrochloride manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-02-06 | D-Cysteine hydrochloride
32443-99-5
|
US $100.00-75.00 / kg | 1kg | 99% | 5000 | HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | |
![]() |
2026-02-03 | D-Cysteine hydrochloride
32443-99-5
|
US $0.00 / KG | 1KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | |
![]() |
2025-05-23 | D-Cysteine hydrochloride
32443-99-5
|
US $50.00 / kg | 1kg | 99 | 5000 | Hebei Zhuanglai Chemical Trading Co Ltd |
-

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

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

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





