Molekula
Ethylhydrocupreine hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ethylhydrocupreine hydrochloride is a synthetic organic compound used in pharmaceutical research and development. Also known as optochin, it is a cinchona alkaloid derivative related to quinine with antibacterial activity, used chiefly in the optochin susceptibility test to identify Streptococcus pneumoniae. Available with CAS number 3413-58-9, its molecular formula is C21H28N2O2 · HCl and molecular weight is 376.92 g/mol. Store at 2 to 8 °C. No signal word applies. Molekula supplies Ethylhydrocupreine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 g — £176.00 per pack ex VAT · £211.20 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to pale brown solid |
| Water | Report |
| Assay | ≥ 98.0% (Alkalimetric Titration) |
| Optical Rotation | -132.0 to -122.0° |
| Assay (Titration) | ≥ 98.0% (Argentometric Titration) |
| Appearance of Solution (2%) | Colourless to yellow clear solution |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 17259473 |
| CAS Number | 3413-58-9 |
| IUPAC Name | (R)-(6-ethoxyquinolin-4-yl)-[(2S,4S,5R)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride |
| EC Number | 222-302-3 |
| Molecular Formula | C21H28N2O2 · HCl |
| Molecular Weight | 376.92 |
| Exact Mass | 376.1918 |
| SMILES | CC[C@H]1CN2CC[C@H]1C[C@H]2[C@@H](C3=C4C=C(C=CC4=NC=C3)OCC)O.Cl |
| InChIKey | QNRATNLHPGXHMA-XZHTYLCXSA-N |
| InChI | InChI=1S/C21H28N2O2.ClH/c1-3-14-13-23-10-8-15(14)11-20(23)21(24)17-7-9-22-19-6-5-16(25-4-2)12-18(17)19;/h5-7,9,12,14-15,20-21,24H,3-4,8,10-11,13H2,1-2H3;1H/t14-,15-,20-,21+;/m0./s1 |
| PubChem CID | 16219340 |
| REACH Code | Y113 |
| HTS Code | 29397900 |
| Tariff Code | 2939799090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Cinchonan-9-ol, 6'-ethoxy-10,11-dihydro-, monohydrochloride, (8.alpha.,9R)-
- Ethylhydrocupreine HCl
- GNF-Pf-5574
- Hydrocupreine, ethyl ester, hydrochloride
- Hydrocupreine, O-ethyl-, hydrochloride
- Neumolisina
- Numoquin hydrochloride
- O-ETHYLHYDROCUPREINE HYDROCHLORIDE
- Optoquin hydrochloride
- Rhombic
Frequently asked questions
What is Ethylhydrocupreine hydrochloride used for?
It is primarily used as a microbiological reagent in the optochin susceptibility test, which differentiates Streptococcus pneumoniae from other alpha-hemolytic streptococci. It was also used historically against pneumococcal infections.
What is the chemical formula and molecular weight?
The formula is C21H28N2O2 · HCl with a molecular weight of 376.92 g/mol.
How should Ethylhydrocupreine hydrochloride be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available?
It is available in research-grade purity suitable for laboratory use.
Can Molekula supply it in bulk?
Yes, Molekula can supply Ethylhydrocupreine hydrochloride in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.