Fluoresceinamine isomer II (CAS 51649-83-3) — formula C20H13NO5, molecular weight 347.3; category organic chemicals.
Fluoresceinamine isomer II (CAS 51649-83-3) is a chemical raw material in the organic chemicals category. Its molecular formula C20H13NO5 comprises 20 C, 13 H, 1 N, 5 O atoms. Its molecular weight is about 347.3. Reported physicochemical data: LogP about 2.7. 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 | 51649-83-3 |
|---|---|
| Molecular Formula | C20H13NO5 |
| Molecular Weight | 347.3 |
| LogP | 2.7 |
| Category | Organic Chemicals |
Fluoresceinamine isomer II is a carbon-based organic compound with CAS registry number 51649-83-3 and molecular formula C20H13NO5 (molecular weight 347.3), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 51649-83-3
Its molecular formula C20H13NO5 comprises 20 C, 13 H, 1 N, 5 O atoms.
Also known as: Fluoresceinamine isomer II · 荧光素胺异构体 II
Category: organic chemicals
The CAS registry number of Fluoresceinamine isomer II is 51649-83-3.
Molecular formula C20H13NO5, molecular weight 347.3.
It is also registered under: Fluoresceinamine isomer II, 荧光素胺异构体 II.
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 Fluoresceinamine isomer II (CAS 51649-83-3), compiled from public chemistry databases.
| CAS Registry Number | 51649-83-3 |
|---|---|
| PubChem CID | 103924 |
| Molecular formula | C20H13NO5 |
| IUPAC name | 5-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| UNII (FDA) | QC9B6K6F63 |
| Molecular Weight | 347.3 |
|---|---|
| XLogP3 | 2.7 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 0 |
| Exact Mass | 347.07937252 |
| Monoisotopic Mass | 347.07937252 |
| Topological Polar Surface Area | 102 |
| Heavy Atom Count | 26 |
51649-83-3; Fluoresceinamine isomer II; FCA II; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6-amino-3',6'-dihydroxy-; DTXSID40199588; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 6-amino-3',6'-dihydroxy-; 6-Amino-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one; 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one; 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; RefChem:599374; DTXCID00122079; 6-Aminofluorescein; 6-Amino-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one; 2-Aminofluorescein; 5-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one; 6-AF
| 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]
Fluoresceinamine isomer II · CAS 51649-83-3 · C20H13NO5. UNII QC9B6K6F63.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 荧光素胺异构体 II