2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene
- CAS
- 1831833-38-5
- Formula
- C12H16O4S
- MW
- 256.32 g/mol
ZX-023335
API Impurities
Apremilast Impurity 5
Reference StandardAvailable on request
Apremilast Impurity 5 (CAS 2095036-40-9) supplier Zemixal: C20H20N2O8S, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.
CAS number2095036-40-9
FormulaC20H20N2O8S
Molar mass448.4 g/mol
Physical formSolid
HS code38229090
InChIKeyMQKGPVSCBKQSDG-OAHLLOKOSA-N
IUPAC name2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-nitroisoindole-1,3-dione
About Apremilast Impurity 5
Analytical teams working on Apremilast use Apremilast Impurity 5 as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 2095036-40-9, formula C20H20N2O8S and molar mass 448.4 g/mol. It is handled as a solid.
Where it is used
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Storage and safety notes
It carries the GHS signal word Warning (H302, H317, H361 and H362), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Apremilast
See every impurity, metabolite and related compound we list for this API.
Apremilast standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Apremilast Impurity 5 |
|---|---|
| Catalogue number | ZX-023336 |
| CAS number | 2095036-40-9 |
| IUPAC name | 2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-nitroisoindole-1,3-dione |
| Molecular formula | C20H20N2O8S |
| Molar mass | 448.4 g/mol |
| Exact mass | 448.094 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.9 |
| H-bond donors / acceptors | 0 / 8 |
| Topological polar surface area | 144 Ų |
| HS code | 38229090 |
| InChIKey | MQKGPVSCBKQSDG-OAHLLOKOSA-N |
| SMILES | CCOC1=C(C=CC(=C1)[C@@H](CS(=O)(=O)C)N2C(=O)C3=C(C2=O)C(=CC=C3)[N+](=O)[O-])OC |
| PubChem CID | 89759314 |
| Synonyms | Nitro Apremilast, 2-((1S)-1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl)-4-nitroisoindole-1,3-dione, 4-Nitro Apremilast, Apremilast Impurity E, (S)-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-4-nitroisoindoline-1,3-dione, Apremilast Impurity 38 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H361Suspected of damaging fertility or the unborn child
- H362May cause harm to breast-fed children
- H373May causes damage to organs through prolonged or repeated exposure
Precautionary statements P203, P260, P261, P263, P264, P270, P272, P280, P301 + P317, P302 + P352, P318, P319, P321, P330, P333 + P317, P362 + P364, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Apremilast Impurity 5
Which CAS number identifies Apremilast Impurity 5?
Apremilast Impurity 5 is registered under CAS 2095036-40-9. You may also see it listed as Nitro Apremilast, 2-((1S)-1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl)-4-nitroisoindole-1,3-dione, 4-Nitro Apremilast. Our catalogue number for this item is ZX-023336.
What are the formula and molar mass of Apremilast Impurity 5?
For Apremilast Impurity 5, its formula is C20H20N2O8S and its molar mass is 448.4 g/mol. The systematic (IUPAC) name is 2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-nitroisoindole-1,3-dione. InChIKey MQKGPVSCBKQSDG-OAHLLOKOSA-N lets you match it in any structure database.
How is Apremilast Impurity 5 used in pharmaceutical QC?
Apremilast Impurity 5 is a characterised reference material linked to Apremilast. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Apremilast Impurity 5?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Apremilast Impurity 5?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Apremilast Impurity 5 to my country?
Yes. Because Apremilast Impurity 5 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
More Apremilast standards
More in API Impurities
4-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
- CAS
- 253168-83-1
- Formula
- C20H22N2O6S
- MW
- 418.5 g/mol
ZX-023337
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethylamine N-acetyl-l- leucine salt
- CAS
- 608141-43-1
- Formula
- C20H34N2O7S
- MW
- 446.6 g/mol
ZX-023333
(E)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethen-1-amine
- CAS
- 1715011-38-3
- Formula
- C12H17NO4S
- MW
- 271.33 g/mol
ZX-023339
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