(1R-4S)-N-[4-Chloro-5-(formylamino)-6-[[4-(hydroxymethyl)-2-cyclopenten-1-yl]amino]-2-pyrimidinyl]acetamide CAS 136522-32-2
| CAS No. | 136522-32-2 |
| Molecular Formula | C13H16ClN5O3 |
| Molecular Weight | 325.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
(1R-4S)-N-[4-Chloro-5-(formylamino)-6-[[4-(hydroxymethyl)-2-cyclopenten-1-yl]amino]-2-pyrimidinyl]acetamide (CAS 136522-32-2) is a high-purity analytical reference standard with the molecular formula C13H16ClN5O3 and a molecular weight of 325.75 g/mol.
Structurally, (1R-4S)-N-[4-Chloro-5-(formylamino)-6-[[4-(hydroxymethyl)-2-cyclopenten-1-yl]amino]-2-pyrimidinyl]acetamide (C13H16ClN5O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 325.75 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).
As a certified reference material (CRM), (1R-4S)-N-[4-Chloro-5-(formylamino)-6-[[4-(hydroxymethyl)-2-cyclopenten-1-yl]amino]-2-pyrimidinyl]acetamide 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.
Physical & Chemical Properties
| Molecular Formula | C13H16ClN5O3 |
| Molecular Weight | 325.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
- 4'-(4-Chlorophenyl)-5'-cyano-2'-oxo-1,1',2,2',3',4'-hexahydro-[1,3'-bipyridin]-1-ium-6'-olate (CAS 133828-97-4)
- 7-Chloro-5-((3-methyl-1H-indol-7-yl)amino)pyrido[3,4-d]pyridazin-4(3H)-one (CAS 1564273-29-5)
- 2-((4-Acetylphenyl)amino)-3-chloronaphthalene-1,4-dione (CAS 130089-98-4)
- ((3aR,4R,6R,6aR)-6-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (CAS 158078-04-7)
- N1-methyl-N1-(tetrahydro-2H-pyran-4-yl)ethane-1,2-diamine dihydrochloride (CAS 1803590-82-0)
- 4-Chloro-5-hydrazinyl-2-phenylpyridazin-3(2h)-one (CAS 1210-32-8)
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- (Trp3,Arg5)-Ghrelin (H-6456.0001) (CAS 848442-59-1)
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- 3-(4-Fluorobenzyl)-4-hydroxy-1-(tetrahydro-2-furanylmethyl)-2(1H)-pyridinone (CAS 477846-10-9)
- N-(2-Oxo-1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide (CAS 941906-28-1)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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