Antioxidant 300
- CAS96-69-5
- CatalogueRS-M119121
- FormulaC22H30O2S
- MW358.5
On this page
Product identification
| Product name | Antioxidant 300 |
|---|---|
| Catalogue No. | RS-M119121 |
| CAS No. | 96-69-5 |
| Molecular formula | C22H30O2S |
| Molecular weight | 358.5 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | Multi-component Standards |
| Drug substance | Irganox |
| 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-M119121 / 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 Irganox
- Multi-component Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-M119121
- Request a quotation for RS-M119121
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 Irganox
All 17 further standards are listed here — every link is in the page, not loaded later.
-
2,4-Di-tert-butylphenol
IN STOCKRS-C002158 -
2-Methyl-4'-(methylthio)-2-morpholinopropiophenone
IN STOCKRS-I094413 -
2-Methyl-4,6-bis(octylsulfanylmethyl)phenol
IN STOCKRS-U005125 -
7,9-di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione
IN STOCKRS-C002211 -
Antioxidant 1035
IN STOCKRS-M119058 -
Antioxidant 1076
IN STOCKRS-M119030 -
Antioxidant 1098
IN STOCKRS-M119034 -
Antioxidant 3114
IN STOCKRS-C019080 -
Antioxidant LK-1081
IN STOCKRS-U059523 -
Antioxidant XH-245
IN STOCKRS-M119052 -
BNX® 1077
BACK ORDERRS-U091348 -
IRGANOX 1141
IN STOCKRS-I215001 -
IRGANOX 3052
IN STOCKRS-I215002 -
Irganox 3125
CUSTOM SYNTHESISRS-U061217 -
Irganox 565
BACK ORDERRS-M157059 -
Irganox-1019
CUSTOM SYNTHESISRS-I215003 -
Irganox® 259
IN STOCKRS-U061221
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 7,9-di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione](/structures/w4/ZTMZUYHXZPUDRF-UHFFFAOYSA-N.webp?v=9)












