Isopromethazine
- CAS303-14-0
- CatalogueRS-I005063
- FormulaC17H20N2S
- MW284.4
On this page
Product identification
| Product name | Isopromethazine |
|---|---|
| Catalogue No. | RS-I005063 |
| CAS No. | 303-14-0 |
| Molecular formula | C17H20N2S |
| Molecular weight | 284.4 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Promethazine Hydrochloride |
| Storage | Frozen (-25 °C to -15 °C) |
| 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-I005063 / 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 Promethazine Hydrochloride
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-I005063
- Request a quotation for RS-I005063
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 Promethazine Hydrochloride
All 22 further standards are listed here — every link is in the page, not loaded later.
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Promethazine hydrochloride
IN STOCKRS-I093274 -
10-Acetylphenothiazine
IN STOCKRS-U003558 -
Promethazine Hydrochloride Impurity 11 Hydrochloride
IN STOCKRS-P164022 -
Promethazine Hydrochloride Impurity 12
IN STOCKRS-P164005 -
Promethazine Hydrochloride Impurity 20
IN STOCKRS-P164002 -
Promethazine Hydrochloride Impurity 21
IN STOCKRS-P164006 -
Promethazine Hydrochloride Impurity 22
BACK ORDERRS-P164012 -
Promethazine Hydrochloride Impurity 23
BACK ORDERRS-P164013 -
Promethazine Hydrochloride Impurity 30
IN STOCKRS-P164001 -
Promethazine Hydrochloride Impurity 33
IN STOCKRS-P164011 -
Promethazine Hydrochloride Impurity 35
IN STOCKRS-P164003 -
Promethazine Hydrochloride Impurity 37
CUSTOM SYNTHESISRS-P164007 -
Promethazine Hydrochloride Impurity 42
IN STOCKRS-P164008 -
Promethazine Hydrochloride Impurity 47
CUSTOM SYNTHESISRS-P164015 -
Promethazine Hydrochloride Impurity 50
IN STOCKRS-P164017 -
Promethazine Hydrochloride Impurity 53
IN STOCKRS-P164014 -
Promethazine Hydrochloride Impurity 54
CUSTOM SYNTHESISRS-P164018 -
Promethazine Hydrochloride Impurity 54 Monomer
IN STOCKRS-Z401EXD -
Promethazine Hydrochloride Impurity 55
CUSTOM SYNTHESISRS-P164016 -
Promethazine Hydrochloride Impurity 58
IN STOCKRS-P164009 -
Promethazine Hydrochloride Impurity 59
IN STOCKRS-P164004 -
Promethazine Hydrochloride Impurity 61
IN STOCKRS-P164019
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.





















