D-Val-D-Cit-PAB CAS CATO-C3D-262946
| CAS No. | CATO-C3D-262946 |
| Molecular Formula | C18H29N5O4 |
| Molecular Weight | 379.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 379.45 g/mol gives D-Val-D-Cit-PAB distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
D-Val-D-Cit-PAB (CAS CATO-C3D-262946), molecular formula C18H29N5O4 and molecular weight 379.45 g/mol, is a CATO reference standard with documented purity and traceability.
D-Val-D-Cit-PAB (C18H29N5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures D-Val-D-Cit-PAB under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H29N5O4 |
| Molecular Weight | 379.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥98% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
Recommended Standards
- Val-D-Cit-PAB (CAS 2226490-91-9)
- (S)-2-((R)-2-Amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide (CAS 2088364-35-4)
- (S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide (CAS CATO-C3D-262931)
- Fumitremorgin C (CAS 118974-02-0)
- S-Benzyl O-ethyl carbonodithioate (CAS 2943-26-2)
- 2-Bromo-5-methoxy-3,4-dihydronaphthalen-1(2H)-one (CAS 31236-91-6)
- 2-(7-Chloro-1,2,3,4-tetrahydrocyclopenta[b]indol-2-yl)acetic acid (CAS 62645-78-7)
- (S)-2-Amino-3-(4-ethylphenyl)propanoicacid (CAS 4313-70-6)
- 3-(5-(Tert-butyl)isoxazol-3-yl)-3-oxopropanenitrile (CAS 1423915-00-7)
- N-allylquinazolin-4-amine (CAS 23092-27-5)
- Tenocyclidine Hydrochloride (CAS 1867-65-8)
- Methyl 2-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate (CAS 849934-95-8)
- Tert-butyl (S)-6-methyl-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate (CAS 2417910-96-2)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com