5-(4-Hydroxybenzyl)-2-thioxoimidazolidin-4-one
- CAS64419-91-6
- CatalogueRS-Z401K0A
- FormulaC10H10N2O2S
- MW222.05
On this page
Product identification
| Product name | 5-(4-Hydroxybenzyl)-2-thioxoimidazolidin-4-one |
|---|---|
| Catalogue No. | RS-Z401K0A |
| CAS No. | 64419-91-6 |
| Molecular formula | C10H10N2O2S |
| Molecular weight | 222.05 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | General Reference Standards |
| Drug substance | Epalrestat |
| Also known as | CATO |
| 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-Z401K0A / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
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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 Epalrestat
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401K0A
- Request a quotation for RS-Z401K0A
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 Epalrestat
All 59 further standards are listed here — every link is in the page, not loaded later.
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Epalrestat
IN STOCKRS-I006198 -
Epalrestat Impurity A
IN STOCKRS-E033024 -
(E,Z)-Epalrestat Methyl Ester
IN STOCKRS-I006189 -
1,4-Dioxane-2,5-dione, 3,6-diphenyl-
CUSTOM SYNTHESISRS-U004A3Y -
1-Propen-2-ol, 1-phenyl-, acetate, (E)-
IN STOCKRS-U001918 -
2,4-Dimethyl-2,4-heptadienal
IN STOCKRS-E033033 -
2-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)propanoic acid
CUSTOM SYNTHESISRS-U018878 -
2-methyl-3-phenylacrylaldehyde
IN STOCKRS-Z393AO2 -
2-Methyl-3-phenylacrylamide
IN STOCKRS-U053913 -
2-METHYLCINNAMALDEHYDE
IN STOCKRS-U008218 -
3-(5-Oxo-2-thioxoimidazolidin-4-yl)-propionic Acid
BACK ORDERRS-U018A05 -
3-Benzylrhodanine
IN STOCKRS-U211LFL -
3-Methyl-2-thioxothiazolidin-4-one
IN STOCKRS-U100749 -
Epalrestat (E, E)-Isomer
IN STOCKRS-I006201 -
Epalrestat (E, Z)-Isomer
IN STOCKRS-I006109 -
Epalrestat (Z, Z)-Isomer
IN STOCKRS-I006108 -
Epalrestat Oxide
IN STOCKRS-I006197 -
Rhodanine
IN STOCKRS-E033010 -
Rhodanine-3-acetic Acid
IN STOCKRS-U080312 -
Trans-2-Methyl-2-pentenal
IN STOCKRS-I013202 -
Epalrestat Impurity 3
IN STOCKRS-E033019 -
Epalrestat Impurity 11
CUSTOM SYNTHESISRS-E033015 -
Epalrestat Impurity 21
IN STOCKRS-E033037 -
Epalrestat Impurity 22
CUSTOM SYNTHESISRS-E033018 -
Epalrestat Impurity 29
CUSTOM SYNTHESISRS-E033006 -
Epalrestat impurity 29
CUSTOM SYNTHESISRS-I001A1Z -
Epalrestat impurity 34
IN STOCKRS-Z401L4A -
Epalrestat impurity 40 Ammonium Salt
IN STOCKRS-I001BFF -
Epalrestat Impurity 45
IN STOCKRS-E033022 -
Epalrestat Impurity 45
IN STOCKRS-I001A89 -
Epalrestat Impurity 50 Ammonium salt
IN STOCKRS-I001A9B -
Epalrestat Impurity 52
IN STOCKRS-I001AXK -
Epalrestat Impurity 58
IN STOCKRS-Z398EEQ -
Epalrestat Impurity 74
IN STOCKRS-E033042 -
Epalrestat Impurity 75
IN STOCKRS-E033009 -
Epalrestat Impurity 76
IN STOCKRS-E033021 -
Epalrestat Impurity 77
IN STOCKRS-E033026 -
Epalrestat Impurity 78
IN STOCKRS-E033028 -
Epalrestat Impurity 79
IN STOCKRS-E033032 -
Epalrestat Impurity 80
CUSTOM SYNTHESISRS-E033034 -
Epalrestat Impurity 96
IN STOCKRS-E033001 -
Epalrestat Impurity 97
IN STOCKRS-E033002 -
Epalrestat Impurity 98
IN STOCKRS-E033004 -
Epalrestat Impurity 99
IN STOCKRS-E033005 -
Epalrestat Impurity 100
IN STOCKRS-E033007 -
Epalrestat Impurity 101
IN STOCKRS-E033008 -
Epalrestat Impurity 102
IN STOCKRS-E033011 -
Epalrestat Impurity 103
CUSTOM SYNTHESISRS-E033012 -
Epalrestat Impurity 104
IN STOCKRS-E033013 -
Epalrestat Impurity 105
IN STOCKRS-E033014 -
Epalrestat Impurity 106
IN STOCKRS-E033016 -
Epalrestat Impurity 107
IN STOCKRS-E033017 -
Epalrestat Impurity 108
CUSTOM SYNTHESISRS-E033020 -
Epalrestat Impurity 109
IN STOCKRS-E033023 -
Epalrestat Impurity 110
IN STOCKRS-E033027 -
Epalrestat Impurity 111
IN STOCKRS-E033030 -
Epalrestat Impurity 112
IN STOCKRS-E033035 -
Epalrestat Impurity 139
IN STOCKRS-E033036
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.






















































