3-O-methylfluorescein (CAS 65144-30-1) — formula C21H16O5, molecular weight 348.3; category organic chemicals.
3-O-methylfluorescein (CAS 65144-30-1) is a chemical raw material in the organic chemicals category. Its molecular formula C21H16O5 comprises 21 C, 16 H, 5 O atoms. Its molecular weight is about 348.3. Reported physicochemical data: LogP about 4. 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 | 65144-30-1 |
|---|---|
| Molecular Formula | C21H16O5 |
| Molecular Weight | 348.3 |
| LogP | 4 |
| Category | Organic Chemicals |
3-O-methylfluorescein is a carbon-based organic compound with CAS registry number 65144-30-1 and molecular formula C21H16O5 (molecular weight 348.3), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 65144-30-1
Its molecular formula C21H16O5 comprises 21 C, 16 H, 5 O atoms.
Also known as: 3-O-methylfluorescein · 3-O-甲基荧光素
Category: organic chemicals
The CAS registry number of 3-O-methylfluorescein is 65144-30-1.
Molecular formula C21H16O5, molecular weight 348.3.
It is also registered under: 3-O-methylfluorescein, 3-O-甲基荧光素.
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 3-O-methylfluorescein (CAS 65144-30-1), compiled from public chemistry databases.
| CAS Registry Number | 65144-30-1 |
|---|---|
| PubChem CID | 3328328 |
| Molecular formula | C21H16O5 |
| IUPAC name | 2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)benzoic acid |
| UNII (FDA) | ST51015063 |
| Molecular Weight | 348.3 |
|---|---|
| XLogP3 | 4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 3 |
| Exact Mass | 348.09977361 |
| Monoisotopic Mass | 348.09977361 |
| Topological Polar Surface Area | 76 |
| Heavy Atom Count | 26 |
2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)benzoic Acid; RefChem:455611; 633-202-8; Benzoic acid, 2-(3-hydroxy-6-methoxy-9H-xanthen-9-yl)-; AKOS024374963; ST51015063; EN300-7543317; 2-(3-hydroxy-6-methoxyxanthen-9-yl)benzoic acid
| Reported hazard statements | H302 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
3-O-methylfluorescein · CAS 65144-30-1 · C21H16O5. UNII ST51015063.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3-O-甲基荧光素