Tramadol Impurity 18
- CAS22204-88-2
- CatalogueRS-T068030
- FormulaC16H25NO2HCl
- MW263.38
On this page
Product identification
| Product name | Tramadol Impurity 18 |
|---|---|
| Catalogue No. | RS-T068030 |
| CAS No. | 22204-88-2 |
| Alternate CAS No. | 123154-38-1 (free base) |
| Molecular formula | C16H25NO2HCl |
| Molecular weight | 263.38 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Tramadol |
| Storage | 2℃ ~ 8℃ |
| Pack sizes | 20mg, 100mg, 200mg, 500mg, 10g |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-T068030 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Tramadol
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-T068030
- Request a quotation for RS-T068030
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Tramadol
All 49 further standards are listed here — every link is in the page, not loaded later.
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(+)-Tramadol Hydrochloride
CUSTOM SYNTHESISRS-T068010 -
(-)-Tramadol
IN STOCKRS-T068003 -
(-)-Tramadol Hydrochloride
IN STOCKRS-Z399OA2 -
Tramadol EP Impurity A
IN STOCKRS-T068019 -
Tramadol EP Impurity B
IN STOCKRS-T068002 -
Tramadol EP Impurity C
IN STOCKRS-T068016 -
Tramadol EP Impurity D (and Enantiomer)
IN STOCKRS-T068026 -
Tramadol Hydrochloride CIV(Secondary Standards traceble to USP)
IN STOCKRS-Z412QC2 -
Tramadol EP Impurity D
IN STOCKRS-D111121 -
(+)-cis-Tramadol (S)-(+)-mandelate
BACK ORDERRS-U065734 -
(+)-N,N-Bisdesmethyl Tramadol
IN STOCKRS-T068029 -
(+)-N,O-Di-Desmethyl Tramadol
BACK ORDERRS-Z412XN0 -
(+)-N-Desmethyl Tramadol
CUSTOM SYNTHESISRS-Z412XOC -
(+)-N-Desmethyl Tramadol-d3
IN STOCKRS-Z400Q44 -
(+)-O-Desmethyl Tramadol-d6 Hydrochloride
CUSTOM SYNTHESISRS-T068001 -
(+)-Tramadol D6
IN STOCKRS-Z400HR2 -
(+)-Tramadol-D6 Hydrochloride
IN STOCKRS-T068011 -
(+/-)-N-Desmethyl Trifluoroacetotramadol-d3
IN STOCKRS-T068008 -
(-)-N-Desmethyl Tramadol
IN STOCKRS-Z400YMG -
(-)-O-Desmethyl Tramadol
CUSTOM SYNTHESISRS-U086075 -
(-)-O-Desmethyl Tramadol Hydrochloride
CUSTOM SYNTHESISRS-Z412MHX -
(-)-O-Desmethyl-N,N-bisdesmethyl Tramadol
IN STOCKRS-U086108 -
(-)-Tramadol D6
IN STOCKRS-Z400HR3 -
(1R,2R)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol
BACK ORDERRS-U019654 -
(1R,3R,6R)-6-((Dimethylamino)methyl)-1-(3-methoxyphenyl)cyclohexane-1,3-diol
IN STOCKRS-Z401IQD -
(1S,2R)-Tramadol Hydrochloride
IN STOCKRS-Z401IC3 -
1-(3-Methoxyphenyl)cyclohexanol
IN STOCKRS-Z401E2U -
2-(Bismethyl)aminomethylcyclohexanone-d6
CUSTOM SYNTHESISRS-I096418 -
N,O-Didesmethyl Tramadol O-Sulfate
IN STOCKRS-T068023 -
N,O-Didesmethyl Tramadol-d3 Hydrochloride
IN STOCKRS-T068012 -
O-Acetyl Tramadol
IN STOCKRS-Z400VQZ -
O-Demethyltramadol
IN STOCKRS-T068013 -
Tramadol EP Impurity D (HCl salt)
IN STOCKRS-T068014 -
O-Desmethyl Tramadol Hydrochloride
CUSTOM SYNTHESISRS-Z399OE2 -
O-Desmethyl Tramadol-d6
IN STOCKRS-T068027 -
O-Desmethyltramadol Glucuronide
BACK ORDERRS-T068009 -
O/N-Didesmethyltramadol Î2-D-glucuronide
BACK ORDERRS-T068021 -
rac N,O-Didesmethyl Tramadol-d3
IN STOCKRS-T068006 -
rac N-Benzyl-N-desmethyl Tramadol-d3
IN STOCKRS-T068007 -
rac N-Bisdesmethyl Tramadol, Hydrochloride
IN STOCKRS-T068024 -
rac N-Desmethyl Tramadol
IN STOCKRS-T068025 -
rac N-Desmethyl Tramadol-d3 Hydrochloride
IN STOCKRS-T068005 -
Rac-4-Hydroxycyclohexyl Tramadol Hydrochloride
CUSTOM SYNTHESISRS-T068017 -
Tramadol 13CD3
IN STOCKRS-T068015 -
Tramadol Impurity N1 Hydrochloride
IN STOCKRS-T068020 -
Tramadol N-Oxide
CUSTOM SYNTHESISRS-D111057 -
Tramadol Related Compound
IN STOCKRS-T068004 -
Tramadol Impurity 2
BACK ORDERRS-T068028
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.




















![Chemical structure of (1R,2R)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol](/structures/w4/TVYLLZQTGLZFBW-GDBMZVCRSA-N.webp?v=8)




















![Chemical structure of trans-(+/-)-2-[(N,N-Dibenzylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol Hydrobromide](/structures/w4/RZBXEKFTYNJEJI-UHFFFAOYSA-N.webp?v=8)
