Z-Gly-Phe-OH CAS 1170-76-9
| CAS No. | 1170-76-9 |
| Molecular Formula | C19H20N2O5 |
| Molecular Weight | 356.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 356.37 g/mol gives Z-Gly-Phe-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Z-Gly-Phe-OH (CAS 1170-76-9), molecular formula C19H20N2O5 and molecular weight 356.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Z-Gly-Phe-OH (C19H20N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 356.37 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), Z-Gly-Phe-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.
Physical & Chemical Properties
| Molecular Formula | C19H20N2O5 |
| Molecular Weight | 356.37 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- FA-Phe-Ala-OH (CAS 83803-17-2)
- Z-Phe-Gly-OH (CAS 13122-99-1)
- coniferyl ferulate (CAS 63644-62-2)
- Di(prop-2-yn-1-yl) 4,4'-(diazene-1,2-diyl)bis(4-cyanopentanoate) (CAS 1029945-77-4)
- indolizine (CAS 274-40-8)
- 2-(2-Bromobenzyl)pentanoic acid (CAS 172650-96-3)
- rel-4-Amino-1-((1R,2R,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl)pyrimidin-2(1H)-one (CAS 74958-34-2)
- 4-Methyl-N-(3-(5-methylbenzo[d]oxazol-2-yl)phenyl)-3-nitrobenzamide (CAS 313667-54-8)
- 5-Methyl-1-(prop-2-en-1-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 70184-00-8)
- Methyl 2-(thiazol-5-yl)propanoate (CAS 1378260-03-7)
- 2-Cyclohex-1-enyl-butyric Acid Ethyl Ester (CAS 51632-40-7)
- 6-((Perfluoropropyl)thio)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 113307-06-5)
- (2,5-Dichlorophenyl)(1H-imidazol-1-yl)methanone (CAS 2243075-02-5)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
Why CATO?
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