Hydroxy Rifabutin Impurity
- CAS185803-93-4
- CatalogueRS-Z412XWZ
On this page
Product identification
| Product name | Hydroxy Rifabutin Impurity |
|---|---|
| Catalogue No. | RS-Z412XWZ |
| CAS No. | 185803-93-4 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | General Reference Standards |
| Drug substance | Rifabutin |
| Also known as | SynZeal |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| 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-Z412XWZ / 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 Rifabutin
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z412XWZ
- Request a quotation for RS-Z412XWZ
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 Rifabutin
All 17 further standards are listed here — every link is in the page, not loaded later.
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Rifabutin
IN STOCKRS-I009258 -
Rifabutin EP Impurity C
BACK ORDERRS-R003004 -
Rifabutin EP Impurity D
BACK ORDERRS-R003005 -
Rifabutin Impurity 1 (Rifabutin EP Impurity A)
IN STOCKRS-P011102 -
Rifabutin Impurity H
BACK ORDERRS-R003003 -
1-isobutylpiperidin-4-one
IN STOCKRS-R003025 -
20,21-Didehydro Rifabutin
CUSTOM SYNTHESISRS-R003010 -
25-O-Deacetyl Rifabutin
IN STOCKRS-R003001 -
3-Aminorifamycin S (Technical Grade)
CUSTOM SYNTHESISRS-U074171 -
31-HydroxyrifabutinDISCONTINUED
BACK ORDERRS-R003009 -
N-Desisobutyl-N-propyl Rifabutin
CUSTOM SYNTHESISRS-R003006 -
Rifabutin N-Oxide
CUSTOM SYNTHESISRS-I009253 -
Rifabutin Impurity 6
IN STOCKRS-R045002 -
Rifabutin Impurity 16
BACK ORDERRS-R003002 -
Rifabutin Impurity 22
IN STOCKRS-R003007 -
Rifabutin Impurity 22 Monomer
IN STOCKRS-R003008 -
Rifabutin Impurity 25 (N-Nitroso Rifabutin Impurity 22 Monomer)
IN STOCKRS-N001076
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.















