ChemicalBook >> CAS DataBase List >>D-Alanine
D-Alanine
- CAS No.
- 338-69-2
- Chemical Name:
- D-Alanine
- Synonyms
- D-ALA;H-D-ALA-OH;(R)-2-aMinopropanoic acid;D-alaine;(R)-Alanine;D-ALPHA-ALANINE;D-AL;Canef;Cranoc;Vastin
- CBNumber:
- CB7783360
- Molecular Formula:
- C3H7NO2
- Molecular Weight:
- 89.09
- MDL Number:
- MFCD00008077
- MOL File:
- 338-69-2.mol
- MSDS File:
- SDS
Last updated:2024-11-14 21:48:41
| Melting point | 291 °C (dec.)(lit.) |
|---|---|
| Boiling point | 212.9±23.0 °C(Predicted) |
| alpha | -14.5 º (c=10, 6N HCl) |
| Density | 1.4310 (estimate) |
| refractive index | -14 ° (C=2, 6mol/L HCl) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | H2O: soluble |
| form | Crystalline Powder or Crystals |
| pka | 2.31±0.10(Predicted) |
| color | White to off-white |
| Odor | odorless |
| Water Solubility | 155 g/L (20 ºC) |
| Merck | 14,204 |
| BRN | 1720249 |
| LogP | -0.574 (est) |
| CAS DataBase Reference | 338-69-2(CAS DataBase Reference) |
| FDA UNII | |
| NIST Chemistry Reference | |
| EPA Substance Registry System |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P271-P280 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 24/25-36-26 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29224995 | |||||||||
| NFPA 704 |
|
D-Alanine price More Price(62)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | A7377 | D-Alanine ≥98% (HPLC) | 338-69-2 | 5g | $55.2 | 2025-03-01 | Buy |
| Sigma-Aldrich | A7377 | D-Alanine ≥98% (HPLC) | 338-69-2 | 25g | $190 | 2025-03-01 | Buy |
| TCI Chemical | A0177 | D-Alanine >98.0%(T) | 338-69-2 | 5g | $29 | 2025-03-01 | Buy |
| TCI Chemical | A0177 | D-Alanine >98.0%(T) | 338-69-2 | 25g | $82 | 2025-03-01 | Buy |
| Alfa Aesar | A10231 | D-Alanine, 99% | 338-69-2 | 5g | $38.8 | 2025-03-01 | Buy |
D-Alanine Chemical Properties,Uses,Production
Chemical Properties
White Crystalline PowderUses
D-Alanine is essential for the biosynthesis of peptidoglycan crosslinking sub-units that are used for bacterial cell walls.Definition
ChEBI: The D-enantiomer of alanine.Application
D-Alanine is a LHRH-antagonists, e.g., Abarelix (antineoplas- tic)General Description
Alanine is a non essential amino acid.Biochem/physiol Actions
D-Alanine is the non-proteinogenic form of alanine which is used in bacterial cell wall biosynthesis. D-Alanine is used to study the specificity and kinetics of alanine racemase(s) (alaR).Purification Methods
Crystallise alanine from H2O or aqueous EtOH, i.e. crystallise it from 25% EtOH in water, or recrystallise it from 62.5% EtOH, wash it with EtOH and dry it to constant weight in vacuo over P2O5. [Gutter & Kegeles J Am Chem Soc 75 3893 1953, Walsh J Biol Chem 264 2394 1989.] 2,2'-Iminodipropionic acid is a likely impurity. [Beilstein 4 IV 2480. 2481.]D-Alanine Preparation Products And Raw materials
Global( 709)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai UCHEM Inc. | +862156762820 +86-13564624040 | sales@myuchem.com | China | 6711 | 58 |
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29797 | 60 |
| Taizhou Tianhong Biochemistry Technology Co., Ltd. | 0523-86132544 | sales@thbiochem.com | CHINA | 305 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21696 | 55 |
| Hangzhou FandaChem Co.,Ltd. | 008657128800458; +8615858145714 | fandachem@gmail.com | China | 9353 | 55 |
| Shanghai Yingrui Biopharma Co., Ltd. | +86-21-33585366 - 03@ | sales03@shyrchem.com | CHINA | 738 | 60 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 32480 | 60 |
| Shanghai Zheyan Biotech Co., Ltd. | 18017610038 | zheyansh@163.com | CHINA | 3620 | 58 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29914 | 58 |
| Zhejiang ZETian Fine Chemicals Co. LTD | 18957127338 | stella@zetchem.com | China | 2141 | 58 |
View Lastest Price from D-Alanine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-09 | D-Alanine
338-69-2
|
US $0.00 / kg | 1kg | ≥98% HPLC | 1000kg | Changsha Staherb Natural Ingredients Co., Ltd. | |
 |
2025-02-23 | D-alanine
338-69-2
|
US $70.00 / kg | 1kg | 0.98 | 25kg | Shanghai UCHEM Inc. | |
 |
2024-09-28 | D-Alanine
338-69-2
|
US $0.00-0.00 / kg | 1kg | 0.99 | 50000kg | Hebei Yibangte Import and Export Co. , Ltd. |
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338-69-2
38-69-2
CH3CHNH2CO2H
C3H7O2
AMINE
Peptide Synthesis