(R)-4,4'-(Propane-1,2-diyl)bis(piperazine-2,6-dione) CAS 21416-87-5
| CAS No. | 21416-87-5 |
| Molecular Formula | C11H16N4O4 |
| Molecular Weight | 268.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies (R)-4,4'-(Propane-1,2-diyl)bis(piperazine-2,6-dione) (CAS 21416-87-5), a certified reference material (molecular formula C11H16N4O4, MW 268.27 g/mol) for analytical method development and quality control.
Structurally, (R)-4,4'-(Propane-1,2-diyl)bis(piperazine-2,6-dione) (C11H16N4O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 268.27 g/mol, it falls into the medium-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 | C11H16N4O4 |
| Molecular Weight | 268.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 4 |
Related R Standards
- 1-[4-(Propane-2-sulfonyl)phenyl]piperazine (CAS 1048921-11-4)
- 3,3',3''-(Propane-1,2,3-triyltris(oxy))tris(propan-1-ol) (CAS 16607-62-8)
- 4,4'-(Propane-1,3-diylbis(azanediyl))bis(4-oxobut-2-enoic acid) (CAS 6331-21-1)
- 4-(Propane-1-sulfonyl)benzene-1-sulfonamide (CAS 98960-59-9)
- 4,4'-(Propane-1,3-diylbis(azaneylylidene))bis(pentan-2-one) (CAS 6310-78-7)
- Propane-1,2,3-triyl tripropionate (CAS 139-45-7)
- 4,4'-(Propane-2,2-diyl)bis(2-aminophenol) (CAS 1220-78-6)
- 3,3'-(Propane-1,3-diylbis(oxy))dianiline (CAS 6245-49-4)
Recommended Standards
- (E)-2-cyano-N-(furan-2-ylmethyl)-3-(4-hydroxyphenyl)acrylamide (CAS 444557-26-0)
- (S)-2-((S)-2-Acetamido-3-(1H-imidazol-4-yl)propanamido)propanoic acid (CAS 61389-34-2)
- (E)-2-((benzo[d][1,3]dioxol-5-ylmethylene)amino)-4,5-dimethylfuran-3-carbonitrile (CAS 332404-37-2)
- 1-(2-Methoxyphenyl)-1h-benzo[d]imidazole-5-carboxylic acid (CAS 442531-57-9)
- Nonadecanenitrile (CAS 28623-46-3)
- 4-Bromo-3-chloro-5-nitropyridine (CAS 1072141-30-0)
- (1-methoxycyclobutyl)methanesulfonyl chloride (CAS 1889401-96-0)
- tert-Butyl 4-(3-methylureido)piperidine-1-carboxylate (CAS 1233955-69-5)
- (R)-2-((1-((Benzyloxy)carbonyl)pyrrolidin-3-yl)thio)acetic acid (CAS 1354016-71-9)
- 2-Isopropyl-1,3-Dimethoxybenzene (CAS 16700-61-1)
- (S)-2-Amino-N-ethyl-N-(2-methylbenzyl)propanamide (CAS 1307127-83-8)
- 1-Amino-3-(1-methyl-1h-pyrazol-4-yl)propan-2-ol (CAS 1520413-62-0)
- 1-Boc-5-(3-chlorophenyl)piperidin-2-one (CAS 2006277-50-3)
- Angiotensin III Antipeptide (CAS 133605-55-7)
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