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/(S)-22-(tert-Butoxycarbonyl)-45,45-dimethyl-10,19,24,43-tetraoxo-3,6,12,15,44-pentaoxa-9,18,23-triazahexatetracontanoic acid
C45H83N3O13
874.2 g/mol
Pharmaceutical Intermediate

(S)-22-(tert-Butoxycarbonyl)-45,45-dimethyl-10,19,24,43-tetraoxo-3,6,12,15,44-pentaoxa-9,18,23-triazahexatetracontanoic acid

CAS1188328-37-1
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a pharmaceutical intermediate used primarily in peptide synthesis. It features a complex structure with multiple amide and ether linkages, along with protecting groups, making it suitable for the stepwise assembly of modified peptides in research and manufacturing.

Peptide synthesis intermediateResearch reagent for modified peptide preparation

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

TBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu

CAS1118767-16-0

pharmaceutical intermediate

StrongStructure SimilarSimilarity 0.96

TBUO-C20-GAMMA-GLU(AEEA)-OTBU

CAS2645421-68-5

pharmaceutical intermediate

SimilarStructure SimilarSimilarity 0.73

(S)-21,39-di-tert-butyl 1-(2,5-dioxopyrrolidin-1-yl) 9,18,23-trioxo-2,5,11,14-tetraoxa-8,17,22-triazanonatriacontane-1,21,39-tricarboxylate

CAS1118767-15-9

research compound

ApplicationSame Use

N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid

CAS125238-99-5

pharmaceutical intermediate

ApplicationSame Use

Boc-L-Isoleucine

CAS13139-16-7

pharmaceutical intermediate

ApplicationSame Use

N-Boc-N'-Fmoc-D-2,3-diaminopropionic acid

CAS131570-56-4

pharmaceutical intermediate

ApplicationSame Use

Fmoc-L-cysteine

CAS135248-89-4

pharmaceutical intermediate

ReferenceSame Category

Octa(OtBu)-Glu-OtBu

CAS1188328-39-3

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
Identifiers
IUPAC Name

2-[2-[2-[[2-[2-[2-[[(4S)-5-[(2-methylpropan-2-yl)oxy]-4-[[20-[(2-methylpropan-2-yl)oxy]-20-oxoicosanoyl]amino]-5-oxopentanoyl]amino]ethoxy]ethoxy]acetyl]amino]ethoxy]ethoxy]acetic acid

InChIKey

WFSAVPRDBQIQAX-QNGWXLTQSA-N

SMILES

CC(C)(C)OC(=O)CCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CCC(=O)NCCOCCOCC(=O)NCCOCCOCC(=O)O)C(=O)OC(C)(C)C

Synonyms (15)
  • C20-OtBu-Glu(AEEA-AEEA)-OtBu
  • Semaglutide impurity 83
  • Semaglutide impurity 84

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→