7-Hydroxy-4-methylcoumarin (CAS 90-33-5) — formula C10H8O3, molecular weight 176.17; category organic chemicals.
7-Hydroxy-4-methylcoumarin (CAS 90-33-5) is a chemical raw material in the organic chemicals category. Its molecular formula C10H8O3 comprises 10 C, 8 H, 3 O atoms. Its molecular weight is about 176.17. Reported physicochemical data: melting point around 381 to 383 °F (NTP, 1992), LogP about 1.9. 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 | 90-33-5 |
|---|---|
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 |
| Melting Point | 381 to 383 °F (NTP, 1992) |
| LogP | 1.9 |
| Applications | analytical reagent, fluorescent indicator, and antispasmodic drug, Used in tunable lasers, Use (kg, approx.) in Germany (2009): >2500 |
| Category | Organic Chemicals |
Documented applications: analytical reagent, fluorescent indicator, and antispasmodic drug, Used in tunable lasers, Use (kg, approx.) in Germany (2009): >2500.
7-Hydroxy-4-methylcoumarin is a carbon-based organic compound with CAS registry number 90-33-5 and molecular formula C10H8O3 (molecular weight 176.17), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 90-33-5
Its molecular formula C10H8O3 comprises 10 C, 8 H, 3 O atoms.
Also known as: 7-Hydroxy-4-methylcoumarin · 7-羟基-4-甲基香豆素
Category: organic chemicals
The CAS registry number of 7-Hydroxy-4-methylcoumarin is 90-33-5.
Molecular formula C10H8O3, molecular weight 176.17.
It is also registered under: 7-Hydroxy-4-methylcoumarin, 7-羟基-4-甲基香豆素.
Recorded applications: analytical reagent, fluorescent indicator, and antispasmodic drug, Used in tunable lasers, Use (kg, approx.) in Germany (2009): >2500.
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 7-Hydroxy-4-methylcoumarin (CAS 90-33-5), compiled from public chemistry databases.
| CAS Registry Number | 90-33-5 |
|---|---|
| PubChem CID | 5280567 |
| Molecular formula | C10H8O3 |
| IUPAC name | 7-hydroxy-4-methylchromen-2-one |
| UNII (FDA) | 3T5NG4Q468 |
| Molecular Weight | 176.17 |
|---|---|
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 176.047344113 |
| Monoisotopic Mass | 176.047344113 |
| Topological Polar Surface Area | 46.5 |
| Heavy Atom Count | 13 |
| Melting Point | 381 to 383 °F (NTP, 1992) |
|---|---|
| Vapor Pressure | 0.00000724 [mmHg] |
| LogP | 1.9 |
4-methylumbelliferone; Hymecromone; 90-33-5; 7-Hydroxy-4-methyl-2H-chromen-2-one; Imecromone; Cantabiline; Crodimon; Cholonerton; Hymecromon; Himecromona; Hymecromonum; Resocyanine; 2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl-; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one; 7-hydroxy-4-methylchromen-2-one; 7-Hydroxy-4-methyl-2-oxo-2H-1-benzopyran
| Reported hazard statements | H315 (100%), H319 (100%), H335 (99.4%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
7-Hydroxy-4-methylcoumarin · CAS 90-33-5 · C10H8O3. UNII 3T5NG4Q468. Melting Point: 381 to 383 °F (NTP, 1992); Vapor Pressure: 0.00000724 [mmHg]; LogP: 1.9.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 7-羟基-4-甲基香豆素