- CAS
- 18749-30-9
- Formula
- C11H12N2O3
- MW
- 220.22 g/mol
(2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid
Synonyms: 4-hydroxy-l-tryptophan · (S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid · (S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoicacid · Tryptophan, 4-hydroxy-
(2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid (CAS 25242-90-4) – Tyrosine impurity standard. C11H12N2O3, MW 220.22. With COA, ships worldwide.
About (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid
Listed under CAS 25242-90-4, (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is a metabolite or degradation product of Tyrosine available from Vaqora Chemicals. The compound has the formula C11H12N2O3, corresponding to a molecular weight of 220.22 g/mol. Common synonyms include 4-hydroxy-l-tryptophan and Tryptophan, 4-hydroxy-.
It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
Analytical teams use this compound to identify metabolites and degradants of Tyrosine, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Industries
View every impurity, metabolite and intermediate we list for Tyrosine.
Tyrosine impuritiesSpecifications & identifiers
| Product name | (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid |
|---|---|
| Catalogue No. | VQ-050805 |
| CAS Number | 25242-90-4 |
| IUPAC name | (2S)-2-amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid |
| Molecular formula | C11H12N2O3 |
| Molecular weight | 220.22 g/mol |
| Exact mass | 220.0848 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | QSHLMQDRPXXYEE-ZETCQYMHSA-N |
| SMILES | C1=CC2=C(C(=C1)O)C(=CN2)C[C@@H](C(=O)O)N |
| PubChem CID | 85479 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | -1.5 |
| H-bond donors / acceptors | 4 / 4 |
| TPSA | 99.3 Ų |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid?
The CAS Registry Number of (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is 25242-90-4. It is also known as 4-hydroxy-l-tryptophan, (S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid, (S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoicacid.
What is the molecular formula and molecular weight of (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid?
(2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid has the molecular formula C11H12N2O3 and a molecular weight of 220.22 g/mol. Its IUPAC name is (2S)-2-amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid.
What is (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid used for?
(2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is supplied as a characterised reference material related to Tyrosine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid can I order?
We supply (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid?
Yes. Every lot of (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid be shipped internationally?
Yes. (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about (2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid
We reply within one business day with price, pack options, lead time and documentation.
Related products
- CAS
- 25198-02-1
- Formula
- C11H12N2O3
- MW
- 220.22 g/mol