(S)-6-Amino-2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)hexanoic acid CAS 37700-85-9
| CAS No. | 37700-85-9 |
| Molecular Formula | C12H21N5O3 |
| Molecular Weight | 283.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-6-Amino-2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)hexanoic acid (CAS 37700-85-9), molecular formula C12H21N5O3 and molecular weight 283.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H21N5O3, (S)-6-Amino-2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)hexanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 283.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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.
Physical & Chemical Properties
| Molecular Formula | C12H21N5O3 |
| Molecular Weight | 283.33 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 5 |
Related S Standards
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- 1215573-50-4 4-Amino-1-tert-butyl-3-(2-hydroxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1215573-50-4)
Recommended Standards
- (S)-2-((S)-2,6-Diaminohexanamido)-3-(1H-imidazol-4-yl)propanoic acid (CAS 35170-01-5)
- 1-(2-(4-Methoxyphenoxy)ethyl)-1H-benzo[d]imidazol-2-amine (CAS 325822-94-4)
- (R)-2-(6,6a,7,8,9,10-Hexahydro-5H-pyrazino[1',2':4,5]pyrazino[2,3-c]pyridazin-2-yl)phenol (CAS 2660235-29-8)
- 1-(2-Amino-5,6,7,8-tetrahydroquinazolin-4-yl)-3-phenylurea (CAS 326908-89-8)
- O-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl) O,O-dihydrogen phosphorothioate (CAS 19341-57-2)
- n1-(2-Fluorobenzyl)cyclohexane-1,4-diamine dihydrochloride (CAS 1286263-54-4)
- 2-Bromoisophthalic Acid (CAS 22433-91-6)
- Methyl 4-bromo-5-methylpicolinate (CAS 1256813-52-1)
- 7-Chloro-2-(4-chlorobutyl)-2H-pyrazolo[4,3-d]pyrimidine (CAS 923283-27-6)
- Thalidomide-O-C3-acid (CAS 2169266-64-0)
- Ethyl 2-(benzylamino)acetate hydrochloride (CAS 6344-42-9)
- 2,2-Dimethyl-5-[(phenylsulfanyl)methylene]-1,3-dioxane-4,6-dione (CAS 153498-12-5)
- (3-Chloroimidazo[1,2-a]pyridin-2-yl)methanamine dihydrochloride (CAS 2138151-02-5)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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