Atorvastatin Calcium Impurity 201
- CAS265989-39-7
- CatalogueRS-A057040
- FormulaC47H53FN2O6
- MW760.95
On this page
Product identification
| Product name | Atorvastatin Calcium Impurity 201 |
|---|---|
| Catalogue No. | RS-A057040 |
| CAS No. | 265989-39-7 |
| Molecular formula | C47H53FN2O6 |
| Molecular weight | 760.95 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Atorvastatin Calcium |
| 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-A057040 / 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 Atorvastatin Calcium
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-A057040
- Request a quotation for RS-A057040
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 Atorvastatin Calcium
All 58 further standards are listed here — every link is in the page, not loaded later.
-
Atorvastatin Calcium EP Impurity A Sodium
IN STOCKRS-A057012 -
Atorvastatin Calcium Impurity 129 (Atorvastatin Calcium EP Impurity B)
BACK ORDERRS-Z412SJG -
(3R,5S)-Atorvastatin Sodium Salt
BACK ORDERRS-I009032 -
(3S,5R)-Atorvastatin Methyl Ester
CUSTOM SYNTHESISRS-U009098 -
4-fluorobenzaldehyde
IN STOCKRS-C013034 -
Atorvastatin Dehydro Lactone
IN STOCKRS-I004075 -
Atorvastatin Diepoxide Calcium Salt
BACK ORDERRS-I004119 -
Atorvastatin Epoxy Tetrahydrofuraran analog
IN STOCKRS-I004115 -
Ethyl (s)-4-cyano-3-hydroxybutyrate
IN STOCKRS-U064134 -
Methyl isobutyrylacetate
IN STOCKRS-P011084 -
Atorvastatin Calcium Impurity 1
IN STOCKRS-A057029 -
Atorvastatin Calcium Impurity 1 Monomer
IN STOCKRS-A057010 -
Atorvastatin Calcium Impurity 9
IN STOCKRS-A057042 -
Atorvastatin Calcium Impurity 14
BACK ORDERRS-A057027 -
Atorvastatin Calcium Impurity 21
BACK ORDERRS-A057025 -
Atorvastatin Calcium Impurity 28
BACK ORDERRS-A057026 -
Atorvastatin Calcium Impurity 31
BACK ORDERRS-A057028 -
Atorvastatin Calcium Impurity 33
BACK ORDERRS-Z393JA3 -
Atorvastatin Calcium Impurity 33 Monomer
BACK ORDERRS-A057003 -
Atorvastatin Calcium Impurity 66
IN STOCKRS-A057005 -
Atorvastatin Calcium Impurity 67
IN STOCKRS-U005493 -
Atorvastatin Calcium Impurity 68
IN STOCKRS-U014047 -
Atorvastatin Calcium Impurity 70 (Mixture of E/Z-isomers)
IN STOCKRS-A057007 -
Atorvastatin Calcium Impurity 76
CUSTOM SYNTHESISRS-U015103 -
Atorvastatin Calcium Impurity 78
IN STOCKRS-A057019 -
Atorvastatin Calcium Impurity 82
CUSTOM SYNTHESISRS-A057022 -
Atorvastatin Calcium Impurity 85
BACK ORDERRS-A057009 -
Atorvastatin Calcium Impurity 87 Monomer
BACK ORDERRS-A057030 -
Atorvastatin Calcium Impurity 89
BACK ORDERRS-A057016 -
Atorvastatin Calcium Impurity 91
IN STOCKRS-U019061 -
Atorvastatin Calcium Impurity 96
CUSTOM SYNTHESISRS-A057011 -
Atorvastatin Calcium Impurity 101
IN STOCKRS-A057002 -
Atorvastatin Calcium Impurity 105
IN STOCKRS-A057017 -
Atorvastatin Calcium Impurity 117
BACK ORDERRS-D027001 -
Atorvastatin Calcium Impurity 118
IN STOCKRS-U019140 -
Atorvastatin Calcium Impurity 120 Monomer
BACK ORDERRS-A057036 -
Atorvastatin Calcium Impurity 122
CUSTOM SYNTHESISRS-U014036 -
Atorvastatin Calcium Impurity 123
BACK ORDERRS-A057032 -
Atorvastatin Calcium Impurity 124
IN STOCKRS-A057015 -
Atorvastatin Calcium Impurity 134
IN STOCKRS-A057023 -
Atorvastatin Calcium Impurity 136
IN STOCKRS-A057004 -
Atorvastatin Calcium Impurity 143
CUSTOM SYNTHESISRS-A057006 -
Atorvastatin Calcium Impurity 145
BACK ORDERRS-A057031 -
Atorvastatin Calcium Impurity 146
CUSTOM SYNTHESISRS-A057034 -
Atorvastatin Calcium Impurity 148 Monomer
BACK ORDERRS-A057038 -
Atorvastatin Calcium Impurity 174
CUSTOM SYNTHESISRS-A057037 -
Atorvastatin Calcium Impurity 176
BACK ORDERRS-A057039 -
Atorvastatin Calcium Impurity 187
IN STOCKRS-Z401FJP -
Atorvastatin Calcium Impurity 193 (Mixture of E/Z Isomers)
CUSTOM SYNTHESISRS-A057043 -
Atorvastatin Calcium Impurity 202
CUSTOM SYNTHESISRS-A057018 -
Atorvastatin Calcium Impurity 203
BACK ORDERRS-U005158 -
Atorvastatin Calcium Impurity 204
BACK ORDERRS-A057041 -
Atorvastatin Calcium Impurity 206
IN STOCKRS-A057024 -
Atorvastatin Calcium Impurity 208
BACK ORDERRS-A057033 -
Atorvastatin Calcium Impurity 215
IN STOCKRS-A057021 -
Atorvastatin Calcium Impurity 218
BACK ORDERRS-A057013
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 (3R,5R)-7-(9-Fluoro-2-isopropyl-3-(phenylcarbamoyl)-1H-dibenzo[e,g]indol-1-yl)-3,5-dihydroxyheptanoic Acid](/structures/w4/MSXXDKNFPMHUBM-DHIUTWEWSA-N.webp?v=8)




















































