Fmoc-Arg(Pbf)-Pro-NHEt CAS 1246940-88-4
| CAS No. | 1246940-88-4 |
| Molecular Formula | C41H52N6O7S |
| Molecular Weight | 772.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Fmoc-Arg(Pbf)-Pro-NHEt (CAS 1246940-88-4) is a high-purity analytical reference standard with the molecular formula C41H52N6O7S and a molecular weight of 772.95 g/mol.
Fmoc-Arg(Pbf)-Pro-NHEt (C41H52N6O7S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Fmoc-Arg(Pbf)-Pro-NHEt 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 | C41H52N6O7S |
| Molecular Weight | 772.95 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Fmoc Standards
- Fmoc-Gly3-Val-Cit-PAB (CAS 2647914-09-6)
- Fmoc-Arg(Mtr)-OPfp (CAS 130397-19-2)
- Fmoc-Gln(Trt)-OPfp (CAS 132388-65-9)
- Di-Fmoc-seleno-L-cystine (CAS 1639843-33-6)
- Fmoc-Val-Cit-PAB-PNP (CAS 863971-53-3)
- Fmoc-Ala-Ala-Asn-PABC-PNP (CAS 1834516-06-1)
- Fmoc-NH-PEG11-CH2COOH (CAS 2629308-66-1)
- (S)-Fmoc-2-amino-5-[(N'-Pbf-N''-Boc-amino)-guanidino]-pentanoic acid, 95% (CAS 1060769-54-1)
Recommended Standards
- Axitinib Impurity N2 (CAS 1428728-84-0)
- *Resorcinol Impurity 5(benzene-1,3-disulfonic acid) (CAS 98-48-6)
- Axitinib Impurity 82 (CAS CATO-C4X-107182)
- Decyltriethoxysilane (CAS 2943-73-9)
- N-(N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-tritylcysteinyl)-S-tritylcysteine (CAS CATO-C4X-153254)
- 2-(Benzylamino)-1-(pyrrolidin-1-yl)ethanethione (CAS 777946-67-5)
- 1-(2-(2-Methoxyethoxy)ethyl)-2,2-dimethylpiperazine (CAS 1340536-25-5)
- 4-(Methoxymethyl)oxane-4-carboxylic acid (CAS 1210226-46-2)
- 7,8-Difluoro-3,4-dihydronaphthalen-1(2H)-one (CAS 1273662-15-9)
- 3-(2,5-Difluorophenyl)-3-methylbutanoic acid (CAS 1368551-86-3)
- 9-(4-Propylcyclohexyl)-9,10-dihydro-8H-dinaphtho[2,1-f:1',2'-h][1,5]dioxonine (CAS 477327-64-3)
- (1R,2R)-2-(ethoxycarbonyl)cyclobutane-1-carboxylic acid (CAS 2165421-37-2)
- Methyl 2-(6-ethyl-4-oxoquinolin-1(4H)-yl)propanoate (CAS 1279201-32-9)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
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