# 淡黄 (CAS 36886-76-7)

CAS: 36886-76-7
PubChem CID: 169832
InChIKey: GRIKUIPJBHJPPN-UHFFFAOYSA-N
Molecular formula: C22H16O5
Molar mass: 360.4 g/mol
IUPAC: 3',6'-dimethoxyspiro[2-benzofuran-3,9'-xanthene]-1-one
SMILES: COC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC)C5=CC=CC=C5C(=O)O3
InChI: InChI=1S/C22H16O5/c1-24-13-7-9-17-19(11-13)26-20-12-14(25-2)8-10-18(20)22(17)16-6-4-3-5-15(16)21(23)27-22/h3-12H,1-2H3
logP (XLogP3): 4.1
PSA: 54 A^2
Hydrogen bond donors: 0
Hydrogen bond acceptors: 5
Rotatable bonds: 2
Heavy atoms: 27
3D structure: 43 atoms, 47 bonds

## About the compound

淡黄 (CAS 36886-76-7) is a chemical compound registered under CAS number 36886-76-7. Molecular formula: C22H16O5. Molar mass: 360.4 g/mol. The full systematic IUPAC name is: 3',6'-dimethoxyspiro[2-benzofuran-3,9'-xanthene]-1-one. The molecule contains 43 atoms connected by 47 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molekula/36886-76-7/


## Synonyms

  - Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dimethoxy-
  - EINECS 253-255-7
  - Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dimethoxy-
  - RefChem:888774
  - DTXCID7039254
  - 36886-76-7
  - 3',6'-Dimethoxyfluoran
  - 3',6'-Dimethoxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
  - 3,6-DIMETHOXYFLUORAN
  - 3',6'-dimethoxyspiro[2-benzofuran-3,9'-xanthene]-1-one
  - MFCD08276350
  - D3205

## Available in the shop

Shop: MolGod
Product: 淡黄 (CAS 36886-76-7) — Shenyang Photosensitive Research Institute
URL: https://molgod.org/sds-cards/%e6%b7%a1%e9%bb%84-cas-36886-76-7-shenyang-photosensitive-research-institute/

## Data sources

  - PubChem CID 169832: https://pubchem.ncbi.nlm.nih.gov/compound/169832
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=36886-76-7
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=36886-76-7

---
Standalone HTML page: https://molgod.org/molekula/36886-76-7/
Markdown version: https://molgod.org/molekula/36886-76-7.md
JSON API: https://molgod.org/wp-json/molgod/v1/molecule/36886-76-7
Last updated: 2026-09-02
Generator: MOL-GOD v3.12.33