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Home/Compounds/API/Cyclosporin b
C61H109N11O12
1188.6 g/mol
APIDanger

Cyclosporin B

CAS63775-95-1EC806-433-9
Category
API
Compound Class
Peptide
Primary Use
Pharmaceutical Raw Material

Cyclosporin B is a cyclic peptide compound related to ciclosporin, a calcineurin inhibitor used as an immunosuppressant medication. It serves as an active pharmaceutical ingredient in pharmaceutical manufacturing and supply.

immunosuppressant active pharmaceutical ingredientpharmaceutical raw material for organ transplant rejection preventionresearch compound for autoimmune conditions

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

StrongStructure SimilarSimilarity 0.97

Cyclosporin d

CAS63775-96-2

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.93

Cyclosporin c

CAS59787-61-0

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.89

Cyclosporine

CAS79217-60-0

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.89

Cyclosporine

CAS59865-13-3

pharmaceutical raw material

ReferenceSame Category

L-carbocysteine

CAS638-23-3

pharmaceutical raw material

ReferenceSame Category

Desonide

CAS638-94-8

pharmaceutical raw material

ReferenceSame Category

Nonathymulin

CAS63958-90-7

pharmaceutical raw material

ReferenceSame Category

Artemisinin

CAS63968-64-9

pharmaceutical raw material

Related Reading

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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.

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Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Danger
H302Harmful if swallowed
H350May cause cancer
H362May cause harm to breast-fed children
Identifiers
IUPAC Name

(3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-33-[(E,1R,2R)-1-hydroxy-2-methylhex-4-enyl]-1,4,7,10,12,15,19,25,28,30-decamethyl-6,9,18,24-tetrakis(2-methylpropyl)-3,21-di(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31-undecazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone

InChIKey

UCOQITKXMNKTKF-MXGZYYNMSA-N

SMILES

C/C=C/C[C@@H](C)[C@H]([C@H]1C(=O)N[C@H](C(=O)N(CC(=O)N([C@H](C(=O)N[C@H](C(=O)N([C@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N([C@H](C(=O)N([C@H](C(=O)N([C@H](C(=O)N1C)C(C)C)C)CC(C)C)C)CC(C)C)C)C)C)CC(C)C)C)C(C)C)CC(C)C)C)C)C)O

Synonyms (12)
  • ANTIBIOTIC-S 7481F2
  • Cyclosporin A, 7-L-alanine-
  • Cyclosporin B
  • Cyclosporin B (>80%)

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