270263-01-9 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-thiophenyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-thiophen-3-yl-butanoic acid A818852 CAS 270263-01-9
| CAS No. | 270263-01-9 |
| Molecular Formula | C23H21NO4S |
| Molecular Weight | 407.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 270263-01-9 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-thiophenyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-thiophen-3-yl-butanoic acid A818852.
270263-01-9 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-thiophenyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-thiophen-3-yl-butanoic acid A818852 (CAS 270263-01-9), molecular formula C23H21NO4S and molecular weight 407.48 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 270263-01-9 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-thiophenyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-thiophen-3-yl-butanoic acid A818852 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 407.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 270263-01-9 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-thiophenyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-thiophen-3-yl-butanoic acid A818852 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H21NO4S |
| Molecular Weight | 407.48 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related amino Standards
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Recommended Standards
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- Fmoc-(R)-3-Amino-4-(3-thienyl)-butyric acid (CAS 269726-93-4)
- 1-(4-Fluoropyridin-3-yl)cyclopropane-1-carboxylic acid (CAS 1427011-71-9)
- ETC-206 (CAS 1464151-33-4)
- tert-Butyl (5-bromo-3-methoxypyridin-2-yl)methylcarbamate (CAS 1138443-96-5)
- Methyl (E)-5-phenylpent-2-enoate (CAS 26429-97-0)
- N-[2-(2,6-dioxo-3-piperidyl)-3-oxo-isoindolin-5-yl]-4-methyl-pentanamide (CAS 2761393-81-9)
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- methyl 2-[(hydrazinecarbonyl)amino]acetate hydrochloride (CAS 1443980-86-6)
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- Insulin Glulisine (CAS 207748-29-6)
Why CATO?
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