Fmoc-Pra-OH CAS 198561-07-8
| CAS No. | 198561-07-8 |
| Molecular Formula | C20H17NO4 |
| Molecular Weight | 335.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Fmoc-Pra-OH meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies Fmoc-Pra-OH (CAS 198561-07-8), a certified reference material (molecular formula C20H17NO4, MW 335.35 g/mol) for analytical method development and quality control.
Structurally, Fmoc-Pra-OH (C20H17NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 335.35 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H17NO4 |
| Molecular Weight | 335.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 1 |
Related Fmoc Standards
- Fmoc-3,4-dehydro-Pro-OH (CAS 135837-63-7)
- Fmoc-D-Pra-OH (CAS 220497-98-3)
- Fmoc-L-Ala-CHN2 (CAS 193954-23-3)
- 4-N-Fmoc-amino-cyclohexanone (CAS 391248-11-6)
- Fmoc-OSu (CAS 82911-69-1)
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Recommended Standards
- 2-((2-((2-Acrylamidoethyl)(hydroxymethyl)amino)ethyl)carbamoyl)benzoic acid (CAS 100063-60-3)
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- Serotonin Impurity 4 (CAS CATO-C4X-25344)
- 3-(2-Hydrazinyl-2-oxoethoxy)-N-phenyl-2-naphthamide (CAS 1020241-65-9)
- Methyl 2-amino-2-(2-iodophenyl)acetate (CAS 1070773-68-0)
- Methyl2-cyano-5-methoxy-3-methylbenzoate (CAS 94742-93-5)
- 1-(3-Bromophenyl)cyclopropanecarboxylic acid hydrazide (CAS 1400644-74-7)
- Tert-butyl (r)-(1-(pyrazin-2-yl)pyrrolidin-3-yl)carbamate (CAS 1365936-73-7)
- 2-((1-(2-Oxo-2-(pyrrolidin-1-yl)ethyl)-1H-indol-3-yl)thio)acetonitrile (CAS 895799-88-9)
- 2-(4-Chlorobenzyl)piperidine hydrochloride (CAS 6936-90-9)
- Cephaeline hydrochloride (CAS 3738-70-3)
- (S)-3-Bromophenylalanine HCl salt (CAS 615535-65-4)
- N-(4-Methoxyphenyl)-4-methyl-2-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide (CAS 477889-79-5)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
Why CATO?
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