Tryptophan (CAS 73-22-3) — formula C11H12N2O2, molecular weight 204.22; category pharmaceutical intermediates and APIs.
Tryptophan (CAS 73-22-3) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C11H12N2O2 comprises 11 C, 12 H, 2 N, 2 O atoms. Its molecular weight is about 204.22. Reported physicochemical data: melting point around 293 °C, boiling point around 289.00 to 291.00 °C. @ 760.00 mm Hg, LogP about -1.05. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 73-22-3 |
|---|---|
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.22 |
| Melting Point | 293 °C |
| Boiling Point | 289.00 to 291.00 °C. @ 760.00 mm Hg |
| LogP | -1.05 |
| Applications | Antistatic |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: Antistatic.
Tryptophan is a pharmaceutical intermediate or API compound with CAS registry number 73-22-3 and molecular formula C11H12N2O2 (molecular weight 204.22), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 73-22-3
Its molecular formula C11H12N2O2 comprises 11 C, 12 H, 2 N, 2 O atoms.
Also known as: Tryptophan · L-Tryptophan
Category: pharmaceutical intermediates and APIs
The CAS registry number of Tryptophan is 73-22-3.
Molecular formula C11H12N2O2, molecular weight 204.22.
It is also registered under: Tryptophan, L-Tryptophan.
Recorded applications: Antistatic.
Category: Pharmaceutical Intermediates & APIs.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Tryptophan (CAS 73-22-3), compiled from public chemistry databases.
| CAS Number | 73-22-3 |
|---|---|
| PubChem CID | 6305 |
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.09 g/mol |
| IUPAC Name | (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid |
| InChIKey | QIVBCDIJIAJPQS-VIFPVBQESA-N |
| UNII (FDA) | 8DUH1N11BX |
| Molecular Weight | 204.22 |
|---|---|
| XLogP3 | -1.1 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 204.089877630 |
| Monoisotopic Mass | 204.089877630 |
| Topological Polar Surface Area | 79.1 |
| Heavy Atom Count | 15 |
| Melting Point | 290.5 |
|---|---|
| Melting Point | 282 °C (decomposes) |
| Melting Point | 230 °C |
| Solubility | 1 to 5 mg/mL at 68 °F (NTP, 1992) |
| Solubility | 13400 |
| Solubility | 13.4 mg/mL at 25 °C |
| LogP | -1.06 |
| LogP | log Kow = -1.06 |
| Ionization Efficiency | 2.62 |
| Ionization Efficiency | 2.7 |
L-tryptophan; tryptophan; 73-22-3; L-Tryptophane; Tryptophane; (S)-Tryptophan; trofan; tryptacin; (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid; Ardeytropin; Pacitron; Indole-3-alanine; L-Tryptofan; L-Trp; L-(-)-Tryptophan; L-beta-3-Indolylalanine
| Regulatory & food contact | FDA Substance added to food: NUTRIENT SUPPLEMENT CIR / INCI: Cosmetic ingredients (Tryptophan) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Antistatic |
|---|---|
| GHS notifications | 98.7% (222 / 225) |
| GHS notifications | 98.7% (222 / 225) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: Tryptophan