Celecoxib Impurity 66
- CASnot assigned
- CatalogueRS-I001850
- FormulaC20H19F3N2O3S
- MW424.11
On this page
Product identification
| Product name | Celecoxib Impurity 66 |
|---|---|
| Catalogue No. | RS-I001850 |
| CAS No. | not assigned |
| Molecular formula | C20H19F3N2O3S |
| Molecular weight | 424.11 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Celecoxib |
| 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-I001850 / 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 Celecoxib
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-I001850
- Request a quotation for RS-I001850
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 Celecoxib
All 60 further standards are listed here — every link is in the page, not loaded later.
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Celecoxib
IN STOCKRS-I002063 -
Celecoxib Impurity 93 (Celecoxib USP Related Compound D)
IN STOCKRS-C059055 -
Celecoxib-Impurity A
IN STOCKRS-C059008 -
2,5-Dimethyl Celecoxib-d4
CUSTOM SYNTHESISRS-C059030 -
4-(5-(2,5-Dimethylphenyl)-1-methyl-1H-pyrazol-3-yl)phenol
CUSTOM SYNTHESISRS-Z401IBC -
4-Desmethyl-3-methyl Celecoxib-d4
IN STOCKRS-C059032 -
Celecoxib D4
IN STOCKRS-C059043 -
Celecoxib Ethyl Ester
BACK ORDERRS-C059015 -
Celecoxib Methyl Ester
CUSTOM SYNTHESISRS-C059014 -
Celecoxib Peroxide
IN STOCKRS-C059013 -
Celecoxib-d3
IN STOCKRS-C059058 -
Desaryl Celecoxib
IN STOCKRS-C059026 -
N-De(4-sulfonamidophenyl)-N'-[4-sulfonamido(phenyl-d4)] Celecoxib
IN STOCKRS-C059031 -
64
CUSTOM SYNTHESISRS-Z401GCX -
Celecoxib Impurity 2
IN STOCKRS-C059007 -
Celecoxib Impurity 3
IN STOCKRS-C059009 -
Celecoxib Impurity 4
CUSTOM SYNTHESISRS-C059006 -
Celecoxib Impurity 7
IN STOCKRS-C059001 -
Celecoxib Impurity 8
IN STOCKRS-C059025 -
Celecoxib Impurity 9
IN STOCKRS-C059020 -
Celecoxib Impurity 16
CUSTOM SYNTHESISRS-C059049 -
Celecoxib Impurity 23
IN STOCKRS-C059021 -
Celecoxib Impurity 27
IN STOCKRS-C059059 -
Celecoxib Impurity 29
IN STOCKRS-C059022 -
Celecoxib Impurity 32
IN STOCKRS-C059024 -
Celecoxib Impurity 36
IN STOCKRS-C059004 -
Celecoxib Impurity 40
IN STOCKRS-C059010 -
Celecoxib Impurity 53
BACK ORDERRS-C059028 -
Celecoxib Impurity 56
BACK ORDERRS-C059053 -
Celecoxib Impurity 61 (N-Nitroso Celecoxib Impurity 36)
IN STOCKRS-C059038 -
Celecoxib Impurity 62
IN STOCKRS-C059045 -
Celecoxib Impurity 64 (N-Nitroso Aniline)
IN STOCKRS-C059041 -
Celecoxib Impurity 67
IN STOCKRS-C059052 -
Celecoxib Impurity 68
CUSTOM SYNTHESISRS-C059047 -
Celecoxib Impurity 69
IN STOCKRS-C059056 -
Celecoxib Impurity 70
IN STOCKRS-C059044 -
Celecoxib Impurity 81
IN STOCKRS-C059048 -
Celecoxib Impurity 83
IN STOCKRS-C059057 -
Celecoxib Impurity 87
IN STOCKRS-I001038 -
Celecoxib Impurity 96
CUSTOM SYNTHESISRS-C059023 -
Celecoxib Impurity 97
IN STOCKRS-C059039 -
Celecoxib Impurity 98
CUSTOM SYNTHESISRS-C059050 -
Celecoxib Impurity 99
CUSTOM SYNTHESISRS-C059063 -
Celecoxib Impurity 114
IN STOCKRS-C059002 -
Celecoxib Impurity 115
IN STOCKRS-C059003 -
Celecoxib Impurity 116
CUSTOM SYNTHESISRS-C059005 -
Celecoxib Impurity 117
IN STOCKRS-C059011 -
Celecoxib Impurity 120
IN STOCKRS-C059019 -
Celecoxib Impurity 121
IN STOCKRS-C059027 -
Celecoxib Impurity 122
CUSTOM SYNTHESISRS-C059033 -
Celecoxib Impurity 123
BACK ORDERRS-C059034 -
Celecoxib Impurity 124
IN STOCKRS-C059035 -
Celecoxib Impurity 125
IN STOCKRS-C059036 -
Celecoxib Impurity 127
CUSTOM SYNTHESISRS-C059040 -
Celecoxib Impurity 128
IN STOCKRS-C059042 -
Celecoxib Impurity 129
IN STOCKRS-C059046 -
Celecoxib Impurity 130
IN STOCKRS-C059051 -
Celecoxib Impurity 131
IN STOCKRS-C059054 -
Celecoxib Impurity 166
IN STOCKRS-U003243 -
Celecoxib Impurity 167
IN STOCKRS-U010366
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 N-De(4-sulfonamidophenyl)-N'-[4-sulfonamido(phenyl-d4)] Celecoxib](/structures/w4/LGIMTMFJBCXYRP-YKVCKAMESA-N.webp?v=7)














































