D-Methionine
- CAS No.
- 348-67-4
- Chemical Name:
- D-Methionine
- Synonyms
- H-D-MET-OH;(R)-2-aMino-4-(Methylthio)butanoic acid;D-Met-OH;D-Form;MRX 1024;MRX-1024;NSC 45689;D-LOBAMINE;d-methionin;D-Metionien
- CBNumber:
- CB5748697
- Molecular Formula:
- C5H11NO2S
- Molecular Weight:
- 149.21
- MDL Number:
- MFCD00002622
- MOL File:
- 348-67-4.mol
- MSDS File:
- SDS
| Melting point | 273-275 °C |
|---|---|
| alpha | -24 º (c=8, 6N HCl) |
| Boiling point | 306.9±37.0 °C(Predicted) |
| Density | 1.113 (estimate) |
| refractive index | 1.5216 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 53 g/L (20°C) |
| pka | 2.23±0.10(Predicted) |
| form | Powder |
| color | White to off-white |
| Water Solubility | 53 g/L (20 ºC) |
| Merck | 14,5975 |
| BRN | 1722293 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| LogP | 0.370 (est) |
| CAS DataBase Reference | 348-67-4(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 868496F25R |
| NIST Chemistry Reference | D-(l)-Methionine(348-67-4) |
| EPA Substance Registry System | D-Methionine (348-67-4) |
| UNSPSC Code | 12352209 |
| NACRES | NA.26 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H332-H335 | |||||||||
| Precautionary statements | P261-P280-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 33-36/37/38 | |||||||||
| Safety Statements | 22-24/25-36-26 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | PD0455000 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29304090 | |||||||||
| NFPA 704 |
|
D-Methionine price More Price(45)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | M9375 | D-Methionine ≥98% (HPLC) | 348-67-4 | 5g | $57.5 | 2025-07-31 | Buy |
| Sigma-Aldrich | M9375 | D-Methionine ≥98% (HPLC) | 348-67-4 | 25g | $156.46 | 2025-07-31 | Buy |
| TCI Chemical | M0102 | D-Methionine >99.0%(T) | 348-67-4 | 5g | $45 | 2025-07-31 | Buy |
| TCI Chemical | M0102 | D-Methionine >99.0%(T) | 348-67-4 | 25g | $95 | 2025-07-31 | Buy |
| Usbiological | 283382 | D-Methionine | 348-67-4 | 50g | $336 | 2021-12-16 | Buy |
D-Methionine Chemical Properties,Uses,Production
Chemical Properties
White crystalline powder
Uses
D-Methionine is used to rescue noise-induced hearing loss. It is used to improve the nutritive value of animal feed.
Definition
ChEBI: An optically active form of methionine having D-configuration.
Biochem/physiol Actions
D-methionine has been shown to rescue noise-induced hearing loss.
Synthesis
1509-92-8
348-67-4
The general procedure for the determination of N-d-AAase activity using N-acetyl-D-methionine as substrate was as follows: first, N-d-AAase was incubated with N-acetyl-D-methionine at 4°C. Subsequently, a colorimetric solution mixture containing d-amino acid oxidase (coupled with horseradish peroxidase), peroxidase (10 U/mL), 4-aminoantipyrine (0.04 mg/mL) and phenol (0.8 mM) was added. Absorbance (OD) was measured at 520 nm. The unit of enzyme activity was defined as the amount of catalytic production of 1 μmol D-methionine per minute. Protein concentration was determined by the Bradford method using bovine serum albumin as standard [32]. The kinetic parameters kcat and Km were determined by fitting the initial rate as a function of substrate concentration to the Michaelis-Menten equation.
References
[1] Journal of the American Chemical Society, 1953, vol. 75, p. 4058
[2] Journal of Biological Chemistry, 1952, vol. 194, p. 455,458
[3] Journal of the American Chemical Society, 1951, vol. 73, p. 4604
[4] Bulletin of the Agricultural Chemical Society of Japan, 1957, vol. 21, p. 235,237
[5] Bioscience, biotechnology, and biochemistry, 1992, vol. 56, # 9, p. 1392 - 1395
D-Methionine Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21622 | 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 | 33024 | 60 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29855 | 58 |
| SHANDONG ZHI SHANG CHEMICAL CO.LTD | +86 18953170293 | sales@sdzschem.com | China | 2930 | 58 |
| Jinan Carbotang Biotech Co.,Ltd. | +8615866703830 | figo.gao@foxmail.com | China | 8497 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 +8615060885618 | sales@amoychem.com | China | 6369 | 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 |
| Beijing Yibai Biotechnology Co., Ltd | 0086-182-6772-3597 | sales04@yibaibiotech.com | CHINA | 419 | 58 |
View Lastest Price from D-Methionine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-08-12 | D-Methionine
348-67-4
|
US $0.00 / Kg/Drum | 1KG | 99%min AJI | 1000kg | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2025-07-31 | Methionine
348-67-4
|
US $50.00 / g | 99.62% | 10g | TargetMol Chemicals Inc. | ||
 |
2021-11-02 | D-Methionine
348-67-4
|
US $79.00 / KG | 1KG | 99 | 10T | Baoji Guokang Healthchem co.,ltd |
-
- D-Methionine
348-67-4
- US $0.00 / Kg/Drum
- 99%min AJI
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Methionine
348-67-4
- US $50.00 / g
- 99.62%
- TargetMol Chemicals Inc.
-
- D-Methionine
348-67-4
- US $79.00 / KG
- 99
- Baoji Guokang Healthchem co.,ltd
