4-Hydroxyphenylpyruvic acid (CAS 156-39-8) — formula C9H8O4, molecular weight 180.16; category organic chemicals.
4-Hydroxyphenylpyruvic acid (CAS 156-39-8) is a chemical raw material in the organic chemicals category. Its molecular formula C9H8O4 comprises 9 C, 8 H, 4 O atoms. Its molecular weight is about 180.16. Reported physicochemical data: melting point around 219 - 220 °C, LogP about 0.9. 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 | 156-39-8 |
|---|---|
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.16 |
| Melting Point | 219 - 220 °C |
| LogP | 0.9 |
| Category | Organic Chemicals |
4-Hydroxyphenylpyruvic acid is a carbon-based organic compound with CAS registry number 156-39-8 and molecular formula C9H8O4 (molecular weight 180.16), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 156-39-8
Its molecular formula C9H8O4 comprises 9 C, 8 H, 4 O atoms.
Also known as: 4-Hydroxyphenylpyruvic acid · 4-羟基苯基丙酮酸
Category: organic chemicals
The CAS registry number of 4-Hydroxyphenylpyruvic acid is 156-39-8.
Molecular formula C9H8O4, molecular weight 180.16.
It is also registered under: 4-Hydroxyphenylpyruvic acid, 4-羟基苯基丙酮酸.
Category: Organic Chemicals.
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 4-Hydroxyphenylpyruvic acid (CAS 156-39-8), compiled from public chemistry databases.
| CAS Registry Number | 156-39-8 |
|---|---|
| PubChem CID | 979 |
| Molecular formula | C9H8O4 |
| IUPAC name | 3-(4-hydroxyphenyl)-2-oxopropanoic acid |
| UNII (FDA) | 0YP1694WNQ |
| Molecular Weight | 180.16 |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 180.04225873 |
| Monoisotopic Mass | 180.04225873 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 13 |
| Melting Point | 219 - 220 °C |
|---|---|
| Collision Cross Section | 147.1 Ų [M-H]- |
4-Hydroxyphenylpyruvic acid; 156-39-8; 3-(4-Hydroxyphenyl)-2-oxopropanoic acid; p-Hydroxyphenylpyruvic acid; (P-HYDROXYPHENYL)PYRUVIC ACID; 3-(p-Hydroxyphenyl)pyruvic acid; (4-hydroxyphenyl)pyruvic acid; 3-(p-Hydroxyphenyl)-2-oxopropanoic acid; Benzenepropanoic acid, 4-hydroxy-alpha-oxo-; 4-Hydroxy alpha-oxobenzenepropanoic acid; 0YP1694WNQ; CHEBI:15999; DTXSID80166017; RefChem:99392; para-hydroxyphenylpyruvic acid; DTXCID9088508
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.5%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
4-Hydroxyphenylpyruvic acid · CAS 156-39-8 · C9H8O4. UNII 0YP1694WNQ. Melting Point: 219 - 220 °C; Collision Cross Section: 147.1 Ų [M-H]-.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 4-羟基苯基丙酮酸