DL-Cysteine
- CAS No.
- 3374-22-9
- Chemical Name:
- DL-Cysteine
- Synonyms
- DL-CYSTEIN;NSC 63864;dl-cysteina;H-DL-CYS-OH;DL-CYSTEINE;rac-cysteine;DL-Cystenine;Cysteine, DL-;DL-Cysteine 0;Cysteine (9CI)
- CBNumber:
- CB6363851
- Molecular Formula:
- C3H7NO2S
- Molecular Weight:
- 121.16
- MDL Number:
- MFCD00004881
- MOL File:
- 3374-22-9.mol
- MSDS File:
- SDS
| Melting point | 225 °C (dec.) (lit.) |
|---|---|
| Boiling point | 293.9±35.0 °C(Predicted) |
| Density | 1.197 (estimate) |
| refractive index | 1.5130 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Aqueous Acid (Sparingly), DMSO (Sightly), Water (Slightly) |
| form | Powder |
| pka | 2.07±0.10(Predicted) |
| color | White to off-white |
| Water Solubility | Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone. |
| BRN | 1721406 |
| Stability | Stable. Incompatible with strong oxidizing agents, |
| LogP | 0.230 (est) |
| CAS DataBase Reference | 3374-22-9(CAS DataBase Reference) |
| FDA UNII | 5CM45Q5YAF |
| NIST Chemistry Reference | DL-Cysteine(3374-22-9) |
| UNSPSC Code | 12352209 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS05,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302+H332-H314-H335 | |||||||||
| Precautionary statements | P260-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
| Hazard Codes | Xn,Xi,C | |||||||||
| Risk Statements | 20/21/22-36/37/38-22-35 | |||||||||
| Safety Statements | 26-36-37/39-45-36/37/39 | |||||||||
| RIDADR | UN 2923 6.1(8) / PGIII | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | HA1595000 | |||||||||
| F | 8-10-23 | |||||||||
| HS Code | 29309013 | |||||||||
| NFPA 704 |
|
DL-Cysteine price More Price(39)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 861677 | DL-Cysteine technical grade | 3374-22-9 | 10g | $82.2 | 2024-03-01 | Buy |
| Sigma-Aldrich | 861677 | DL-Cysteine technical grade | 3374-22-9 | 50g | $166.8 | 2024-03-01 | Buy |
| Alfa Aesar | H56126 | DL-Cysteine, 96% | 3374-22-9 | 5g | $38.65 | 2024-03-01 | Buy |
| Alfa Aesar | H56126 | DL-Cysteine, 96% | 3374-22-9 | 25g | $145 | 2024-03-01 | Buy |
| Alfa Aesar | H56126 | DL-Cysteine, 96% | 3374-22-9 | 100g | $379 | 2021-12-16 | Buy |
DL-Cysteine Chemical Properties,Uses,Production
Chemical Properties
white solid
Uses
DL-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. Cysteine is commonly used as a precursor in the food and pharmaceutical industries. Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.
Uses
DL-Cysteine is a NMDA agonist at quisqualate receptors at high concentration.
Definition
ChEBI: A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.
reaction suitability
reaction type: solution phase peptide synthesis
Biochem/physiol Actions
NMDA agonist that is an agonist at quisqualate receptors at high concentration.
DL-Cysteine Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Mujin Biotechnology Co.,Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12814 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8617531153977 | allison@yan-xi.com | China | 5854 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5870 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-+86-371-66670886 | info@dakenam.com | China | 19788 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29860 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Accela ChemBio Inc. | +1-858-6993322 | info@accelachem.com | United States | 19746 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22963 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5906 | 58 |
| BOC Sciences | +1-631-485-4226 | inquiry@bocsci.com | United States | 19552 | 58 |
View Lastest Price from DL-Cysteine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-16 | DL-Cysteine
3374-22-9
|
US $0.00 / Kg/Drum | 1KG | 98%min | 500kgs | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2025-04-15 | DL-Cysteine
3374-22-9
|
US $0.00 / KG | 1KG | 99% | 500000kg | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-03-21 | DL-Cysteine
3374-22-9
|
US $0.00 / KG | 1KG | 99.6% | 50000KG/month | Hebei Mujin Biotechnology Co.,Ltd |
-
- DL-Cysteine
3374-22-9
- US $0.00 / Kg/Drum
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- DL-Cysteine
3374-22-9
- US $0.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- DL-Cysteine
3374-22-9
- US $0.00 / KG
- 99.6%
- Hebei Mujin Biotechnology Co.,Ltd