ChemicalBook >> CAS DataBase List >>A-METHYL-DL-P-TYROSINE
A-METHYL-DL-P-TYROSINE
- CAS No.
- 658-48-0
- Chemical Name:
- A-METHYL-DL-P-TYROSINE
- Synonyms
- DL-alpha-Methyltyrosine;(S)-2-AMino-3-(4-hydroxyphenyl)-2-Methylpropanoic acid;h9/88;MK-781;Valine-d1;H-α-Me-DL-Tyr-OH;rac metyrosine D3;DL-α-Methyltyrosine;α-Methyl-p-tyrosine;alpha-methyl-tyrosin
- CBNumber:
- CB6498278
- Molecular Formula:
- C10H13NO3
- Molecular Weight:
- 195.22
- MDL Number:
- MFCD00004187
- MOL File:
- 658-48-0.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 05:25:23
| Product description | Number | Pack Size | Price |
| α-Methyl-DL-tyrosine 98% | 120693 | 5g | $170 |
| α-Methyl-DL-tyrosine 98% | 120693 | 25g | $675 |
| a-Methyl-D,L-tyrosine | M3543-13 | 2.5g | $446 |
| Alpha-Methyl-D,L-tyrosine | TRC-M332685-5G | 5g | $415 |
| Alpha-Methyl-D,L-tyrosine | TRC-M332685-2.5G | 2.5g | $249 |
| More product size | |||
| Melting point | >300 °C(lit.) |
|---|---|
| Boiling point | 331.88°C (rough estimate) |
| Density | 1.1926 (rough estimate) |
| refractive index | 1.5150 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Aqueous Acid (Sparingly), Aqueous Base, Water (Slightly) |
| form | Solid |
| pka | 2.29±0.16(Predicted) |
| color | White to Off-White |
| BRN | 2938704 |
| Major Application | peptide synthesis |
| InChI | InChI=1S/C10H13NO3/c1-10(11,9(13)14)6-7-2-4-8(12)5-3-7/h2-5,12H,6,11H2,1H3,(H,13,14) |
| InChIKey | NHTGHBARYWONDQ-UHFFFAOYSA-N |
| SMILES | C(O)(=O)C(C)(CC1C=CC(O)=CC=1)N |
| FDA UNII | X88TTO174Z |
| EPA Substance Registry System | .alpha.-Methyltyrosine (658-48-0) |
| UNSPSC Code | 12352200 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319 |
| Precautionary statements | P261-P305+P351+P338 |
| PPE | Eyeshields, Gloves, type N95 (US) |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| RTECS | YP2890000 |
| TSCA | TSCA listed |
| HS Code | 29225000 |
| Storage Class | 11 - Combustible Solids |
A-METHYL-DL-P-TYROSINE price More Price(52)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 120693 | α-Methyl-DL-tyrosine 98% | 658-48-0 | 5g | $170 | 2023-01-07 | Buy |
| Sigma-Aldrich | 120693 | α-Methyl-DL-tyrosine 98% | 658-48-0 | 25g | $675 | 2023-01-07 | Buy |
| Usbiological | M3543-13 | a-Methyl-D,L-tyrosine | 658-48-0 | 2.5g | $446 | 2026-06-03 | Buy |
| TRC | TRC-M332685-5G | Alpha-Methyl-D,L-tyrosine | 658-48-0 | 5g | $415 | 2026-06-03 | Buy |
| TRC | TRC-M332685-2.5G | Alpha-Methyl-D,L-tyrosine | 658-48-0 | 2.5g | $249 | 2026-06-03 | Buy |
A-METHYL-DL-P-TYROSINE Chemical Properties,Uses,Production
Chemical Properties
off-white fine powder
Uses
peptide synthesis
reaction suitability
reaction type: solution phase peptide synthesis
in vivo
α-Methyl-p-tyrosine (250 mg/kg, intraperitoneal injection, single dose) can exacerbate the severity and duration of tonic and clonic seizures induced by Pentylenetetrazol in male CFI mice[2].
| Animal Model: | Pentylenetetrazol (PTZ)-induced epilepsy CFI strain mouse model (15-25 g) |
| Dosage: | 250 mg/kg |
| Administration: | Intraperitoneal injection (i.p.), single dose, PTZ administered 8 hours after α-Methyl-p-tyrosine injection |
| Result: | Increased the severity and duration of seizures, especially enhancing tonic and clonic seizures induced by PTZ. |
A-METHYL-DL-P-TYROSINE Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 123)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| CONIER CHEM AND PHARMA LIMITED | sales@conier.com | China | 49979 | 58 | |
| career henan chemical co | +86-0371-86658258 | factory@coreychem.com | China | 29792 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +1-00000000000 | marketing@targetmol.com | United States | 32468 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +86-189 4982 3763 | sales@tnjchem.com | China | 34563 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1059@dideu.com | China | 29120 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 17705817739 | info@dycnchem.com | China | 52704 | 58 |
| Labnetwork lnc. | +86-27-50766799 +86-18062016861 | contact@labnetwork.com | China | 19987 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49895 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 +86-15355479329 | market18@leapchem.com | China | 43333 | 58 |
View Lastest Price from A-METHYL-DL-P-TYROSINE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-05-11 | Racemetirosine
658-48-0
|
$29.00-69.00 | 98.73% | 10g | TargetMol Chemicals Inc. | ||
 |
2020-01-10 | A-METHYL-DL-P-TYROSINE
658-48-0
|
$1.00 | 1g | 99.0% | 100kg | Career Henan Chemical Co |
-
- Racemetirosine
658-48-0
- $29.00-69.00
- 98.73%
- TargetMol Chemicals Inc.
-
- A-METHYL-DL-P-TYROSINE
658-48-0
- $1.00
- 99.0%
- Career Henan Chemical Co
658-48-0(A-METHYL-DL-P-TYROSINE)Related Search:
racephedrine
DL-ALPHA-METHYLTYROSINE
DL-Tyrosine
ALPHA-METHYL-DL-P-TYROSINE METHYL ESTER HYDROCHLORIDE
N-ACETYL-O-METHYL-DL-ORTHO-TYROSINE ETHYL ESTER
1of3
(2R)-2-ammonio-3-(4-hydroxyphenyl)-2-methylpropanoate
A-METHYL-DL-P-TYROSINE
alpha-methyl-para-tyrosine
alpha-methyl-p-tyrosine
alpha-methyl-tyrosin
h9/88
DL-α-Methyltyrosine
2-P-HYDROXYPHENYLMETHYL-DL-ALANINE
Tyrosine, .alpha.-methyl-
DL-2-METHYL-4-TYROSINE
2-Amino-3-(4-hydroxy-phenyl)-2-methyl-propionic acid
DL-2-Methyl-3-(4-hydroxyphenyl)alanine, AMPT
2-Amino-3-(4-hydroxyphenyl)-2-methylpropanoic acid
MK-781
α-Amino-β-(4-hydroxyphenyl)-α-methylpropionic acid
α-Methylparatyrosine
α-Methyl-p-tyrosine
DL-alpha-Methyltyrosine,98%
DL-alpha-Methyltyrosinealpha-MT
A-METHYL-DL-P-TYROSI
(S-2-Amino-3-(4-Hydroxyphenyl-2-Methylpro
α-Methyl-DL-tyrosine
(S)-2-Amino-3-(4-hydroxyphenyl)-2-methylpropanoicaci
A-METHYL-DL-P-TYROSINE USP/EP/BP
rac metyrosine D3
inhibit,DOPA,catecholamine synthesis,tyrosine hydroxylase,Inhibitor,Racemetirosine
Valine-d1
METHYL-DL-TYROSINE, ALPHA-
α-Methyl-DL -tyrosine
Racemetyrosine (SM-88)
H-α-Me-DL-Tyr-OH
(S)-2-AMino-3-(4-hydroxyphenyl)-2-Methylpropanoic acid
DL-alpha-Methyltyrosine
658-48-0
658-48-1
4HOC6H4CH2CCH3NH2CO2H
