Phenol, 5-methoxy-4-[[4-(1-methyl-1H-indol-3-yl)-2-pyrimidinyl]amino]-2-nitro-
- CAS1956306-73-2
- CatalogueRS-U044602
- FormulaC20H17N5O4
On this page
Product identification
| Product name | Phenol, 5-methoxy-4-[[4-(1-methyl-1H-indol-3-yl)-2-pyrimidinyl]amino]-2-nitro- |
|---|---|
| Catalogue No. | RS-U044602 |
| CAS No. | 1956306-73-2 |
| Molecular formula | C20H17N5O4 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | Fine Chemicals |
| Drug substance | Osimertinib |
| Also known as | AN12624415 |
| 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-U044602 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
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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 Osimertinib
- Fine Chemicals of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-U044602
- Request a quotation for RS-U044602
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 Osimertinib
All 38 further standards are listed here — every link is in the page, not loaded later.
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Osimertinib Impurity I
BACK ORDERRS-O088006 -
2,2,2-Trifluoro-N-(4-fluoro-2-methoxy-5-nitrophenyl)acetamide
IN STOCKRS-P010610 -
2,4-Dimethoxy-1-nitrobenzene
IN STOCKRS-U004516 -
2,4-Dimethoxy-5-nitroaniline
CUSTOM SYNTHESISRS-P006987 -
2-Amino-5-fluoro-4-nitro-phenol
BACK ORDERRS-U056644 -
2-Fluoro-4-methoxy-5-nitrophenylamine
IN STOCKRS-U014254 -
4-(1-Methyl-1H-indol-3-yl)pyrimidin-2-amine
IN STOCKRS-P011923 -
4-fluoro-2-methoxy-3-nitroaniline
CUSTOM SYNTHESISRS-C013050 -
4-fluoro-2-methoxy-6-nitroaniline
CUSTOM SYNTHESISRS-P020025 -
Ethyl 3-Chloropropionate
IN STOCKRS-U095298 -
methyl 1-methyl-1H-indole-3-carboxylate
IN STOCKRS-P140065 -
N-(4-Fluoro-2-methoxyphenyl)acetamide
IN STOCKRS-U096834 -
N-Acryloyl Osimertinib
BACK ORDERRS-O088001 -
Osimertinib D6
BACK ORDERRS-O088009 -
Osimertinib-d5
BACK ORDERRS-O088012 -
Tris(1-methyl-3-indolyl)methane
BACK ORDERRS-U087637 -
Osimertinib Impurity 18
CUSTOM SYNTHESISRS-I001A7Q -
Osimertinib Impurity 20
BACK ORDERRS-O088002 -
Osimertinib Impurity 37 TFA salt
BACK ORDERRS-I001B0D -
Osimertinib Impurity 39
BACK ORDERRS-I001B67 -
Osimertinib Impurity 45
BACK ORDERRS-I001A9L -
Osimertinib Impurity 49
BACK ORDERRS-I001A3M -
Osimertinib Impurity 51
CUSTOM SYNTHESISRS-I001422 -
Osimertinib Impurity 71
BACK ORDERRS-O088010 -
Osimertinib Impurity 72
CUSTOM SYNTHESISRS-O088011 -
Osimertinib Impurity 82
CUSTOM SYNTHESISRS-O088007 -
Osimertinib Impurity 85
CUSTOM SYNTHESISRS-I001ATO -
Osimertinib Impurity 86
BACK ORDERRS-I001BRW -
Osimertinib Impurity 107
IN STOCKRS-I001BTM -
Osimertinib Impurity 112
BACK ORDERRS-O088005 -
Osimertinib Impurity 113
BACK ORDERRS-I001AZR -
Osimertinib Impurity 113
IN STOCKRS-O088003 -
Osimertinib Impurity 114
CUSTOM SYNTHESISRS-O088004 -
Osimertinib Impurity 115
BACK ORDERRS-O088008 -
Osimertinib Impurity 121
CUSTOM SYNTHESISRS-I001239 -
Osimertinib Impurity 122
IN STOCKRS-U001134
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.





































