questin (CAS 3774-64-9) — formula C16H12O5, molecular weight 284.26; category organic chemicals.
questin (CAS 3774-64-9) is a chemical raw material in the organic chemicals category. Its molecular formula C16H12O5 comprises 16 C, 12 H, 5 O atoms. Its molecular weight is about 284.26. Reported physicochemical data: LogP about 3. 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 | 3774-64-9 |
|---|---|
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 |
| LogP | 3 |
| Category | Organic Chemicals |
questin is a carbon-based organic compound with CAS registry number 3774-64-9 and molecular formula C16H12O5 (molecular weight 284.26), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3774-64-9
Its molecular formula C16H12O5 comprises 16 C, 12 H, 5 O atoms.
Also known as: questin · 大黄素-8-甲醚
Category: organic chemicals
The CAS registry number of questin is 3774-64-9.
Molecular formula C16H12O5, molecular weight 284.26.
It is also registered under: questin, 大黄素-8-甲醚.
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 questin (CAS 3774-64-9), compiled from public chemistry databases.
| CAS Number | 3774-64-9 |
|---|---|
| PubChem CID | 160717 |
| Molecular Formula | C16H12O5 |
| IUPAC Name | 1,6-dihydroxy-8-methoxy-3-methylanthracene-9,10-dione |
| UNII (FDA) | 7Z6321X03I |
| Molecular Weight | 284.26 |
|---|---|
| XLogP3 | 3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 1 |
| Exact Mass | 284.06847348 |
| Monoisotopic Mass | 284.06847348 |
| Topological Polar Surface Area | 83.8 |
| Heavy Atom Count | 21 |
Questin; 3774-64-9; 1,6-dihydroxy-8-methoxy-3-methylanthracene-9,10-dione; Emodin-8-methyl ether; 7Z6321X03I; CHEBI:16200; DTXSID30191177; RefChem:930462; DTXCID40113668; 9,10-Anthracenedione,1,6-dihydroxy-8-methoxy-3-methyl-; 1,6-dihydroxy-8-methoxy-3-methylanthraquinone; 1,6-dihydroxy-8-methoxy-3-methyl-9,10-anthraquinone; 3,8-dihydroxy-1-methoxy-6-methylanthracene-9,10-dione; 1,6-dihydroxy-8-methoxy-3-methyl-anthracene-9,10-dione; 1,6-dihydroxy-3-methyl-8-(methyloxy)anthracene-9,10-dione; UNII-7Z6321X03I
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 大黄素-8-甲醚