ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Pharmaceutical Intermediate/(23S,50S)-50-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-23-(tert-butoxycarbonyl)-2,2-dimethyl-4,21,26,35,44-pentaoxo-3,30,33,39,42-pentaoxa-22,27,36,45-tetraazahenpentacontan-51-oic acid
C64H101N5O16
1196.5 g/mol
Pharmaceutical Intermediate

(23S,50S)-50-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-23-(tert-butoxycarbonyl)-2,2-dimethyl-4,21,26,35,44-pentaoxo-3,30,33,39,42-pentaoxa-22,27,36,45-tetraazahenpentacontan-51-oic acid

CAS1662688-20-1EC892-611-1
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a pharmaceutical intermediate specifically designed for peptide synthesis. It features a complex structure with multiple amide and ether linkages, protected by tert-butyl and fluorenylmethoxycarbonyl (Fmoc) groups, and is characterized by high molecular weight and lipophilicity.

peptide synthesis intermediateresearch compound for medicinal chemistry

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Sourcing this compound?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→

Related Compounds

StrongStructure SimilarSimilarity 1.00

FMOC-L-LYS[C20-OTBU-GLU(OTBU)-AEEA-AEEA]-OH

CAS2460751-66-8

research compound

StrongStructure SimilarSimilarity 1.00

(25S,43S)-43-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-25-(tert-butoxycarbonyl)-2,2-dimethyl-4,23,28,37-tetraoxo-3,32,35-trioxa-24,29,38-triazatetratetracontan-44-oic acid

CAS2612237-97-3

research compound

StrongStructure SimilarSimilarity 1.00

Fmoc-L-Lys[C20-OtBu-L-Glu(OtBu)-AA-AA]-OH

CAS2915356-76-0

pharmaceutical intermediate

StrongStructure SimilarSimilarity 0.87

Fmoc-Lys[|A-Glu(OtBu)-C18-OtBu)]-OH

CAS1931109-48-6

research compound

ApplicationSame Use

N-Boc-N'-Fmoc-L-ornithine

CAS150828-96-9

pharmaceutical intermediate

ApplicationSame Use

Boc-His(Trt)-Aib-OH

CAS2061897-68-3

pharmaceutical intermediate

ApplicationSame Use

(2S)-4-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butanoic acid

CAS235788-61-1

pharmaceutical intermediate

ApplicationSame Use

Fmoc-AEEA-AEEA

CAS560088-89-3

pharmaceutical intermediate

Related Reading

Therapeutic Peptides in 2026: This Year's Breakthroughs

2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

Read more

Safety Reference

Environmental Hazard
Environmental Hazard
H413May cause long lasting harmful effects to aquatic life
Identifiers
IUPAC Name

(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[[2-[2-[2-[[2-[2-[2-[[(4S)-5-[(2-methylpropan-2-yl)oxy]-4-[[18-[(2-methylpropan-2-yl)oxy]-18-oxooctadecanoyl]amino]-5-oxopentanoyl]amino]ethoxy]ethoxy]acetyl]amino]ethoxy]ethoxy]acetyl]amino]hexanoic acid

InChIKey

COTQASXXEXJBOM-PJYGOTMFSA-N

SMILES

CC(C)(C)OC(=O)CCCCCCCCCCCCCCCCC(=O)N[C@@H](CCC(=O)NCCOCCOCC(=O)NCCOCCOCC(=O)NCCCC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13)C(=O)OC(C)(C)C

Synonyms (12)
  • Semaglutide Impurity 35

Sourcing this compound?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→