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Home/Compounds/API/Oxytocin
C43H66N12O12S2
1007.2 g/mol
APIWarning

Pitocin

CAS50-56-6EC200-048-4
Category
API
Compound Class
Peptide
Primary Use
Pharmaceutical Raw Material

Pitocin is a cyclic peptide compound used as an active pharmaceutical ingredient in pharmaceutical manufacturing. It is structurally characterized by multiple amide groups, a single aromatic ring, and a disulfide bridge, with high polarity and a molecular weight of approximately 1006.

medicationveterinary medication

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.

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Related Compounds

StrongSame Parent

Oxytocin acetate

CAS6233-83-6

pharmaceutical raw material

StrongStructure SimilarSimilarity 1.00

Oxytocin parallel dimer

CAS19645-28-4

research compound

StrongStructure SimilarSimilarity 1.00

Oxytocin antiparallel dimer

CAS20054-93-7

research compound

ReferenceSame Category

LVP

CAS50-57-7

pharmaceutical raw material

ReferenceSame Category

Phendimetrazine tartrate

CAS50-58-8

pharmaceutical raw material

ReferenceSame Category

Chloroquine phosphate

CAS50-63-5

pharmaceutical raw material

ReferenceSame Category

Niclosamide

CAS50-65-7

pharmaceutical raw material

Referencestereoisomer of

[D-Asn5]-Oxytocin

CAS5754-53-0

research compound

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

Harmful
Harmful
Health Hazard
Health Hazard
Warning
H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child

Customs Tariff Classification

The international HS code for Pitocin (CAS 50-56-6) is 2937.19.

HS code (international, 6-digit)

2937.19

EU CN code (8-digit)

2937 19 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2S)-1-[(4R,7S,10S,13S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-[(2S)-butan-2-yl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[(2S)-1-[(2-amino-2-oxoethyl)amino]-4-methyl-1-oxopentan-2-yl]pyrrolidine-2-carboxamide

InChIKey

XNOPRXBHLZRZKH-DSZYJQQASA-N

SMILES

CC[C@H](C)[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N1)CC2=CC=C(C=C2)O)N)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N)CC(=O)N)CCC(=O)N

Synonyms (69)
  • OXT
  • OXYTOCIN 10 USP UNITS IN DEXTROSE
  • OXYTOCIN 20 USP UNITS IN DEXTROSE
  • OXYTOCIN 5 USP UNITS IN DEXTROSE
  • Oxitocina [INN-Spanish]
  • Oxytocin (JP18/USP/INN)
  • Oxytocin, European Pharmacopoeia (EP)
  • Oxytocin, United States Pharmacopeia (USP)
  • Oxytocine [INN-French]
  • Oxytocinum [INN-Latin]
  • (1-Hemicystine)oxytocin
  • Atonin O
  • Di-sipidin
  • Endopituitrina
  • Intertocine S
  • Nobitocin S
  • Ocytocin
  • Ocytocinum
  • Orasthin
  • Ossitocina
  • Otx
  • Oxetakain
  • Oxetakain [Czech]
  • Oxitocina
  • Oxoject
  • Oxystin
  • Oxytocin (TN)
  • Oxytocin CRS
  • Oxytocin Injectable
  • Oxytocine
  • Oxytocinum
  • PVL Oxytocin Injectable
  • Partocon
  • Pitocin
  • Pitocin (TN)
  • Piton S
  • Presoxin
  • Recombinant Oxytocin
  • Synpitan
  • Synthetic oxytocin
  • Syntocin
  • Syntocinon
  • Syntocinon (TN)
  • Syntocinone
  • Utedrin
  • Uteracon
  • Vasotocin;
  • [3H]OT (human, mouse, rat)
  • [3H]oxytocin
  • alpha-Hypophamine
  • oxytocin, for bioassay

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