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SergRussu · CC BY-SA 4.0

Selank

Identity

Field	Value
IUPAC name	(2S)-1-[2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]acetyl]pyrrolidine-2-carboxylic acid
SMILES	C[C@H]([C@@H](C(=O)N[C@@H](CCCCN)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCN=C(N)N)C(=O)N2CCC[C@H]2C(=O)NCC(=O)N3CCC[C@H]3C(=O)O)N)O
InChI	InChI=1S/C33H57N11O9/c1-19(45)26(35)29(49)41-20(8-2-3-13-34)30(50)44-17-6-11-23(44)28(48)40-21(9-4-14-38-33(36)37)31(51)43-16-5-10-22(43)27(47)39-18-25(46)42-15-7-12-24(42)32(52)53/h19-24,26,45H,2-18,34-35H2,1H3,(H,39,47)(H,40,48)(H,41,49)(H,52,53)(H4,36,37,38)/t19-,20+,21+,22+,23+,24+,26+/m1/s1
InChIKey	JTDTXGMXNXBGBZ-YVHUGQOKSA-N

Chemistry

Field	Value
Compound class	Heptapeptide (7 aa, tuftsin analog)
Formula	C₃₃H₅₇N₁₁O₉
Molecular weight	751.9
CAS	129954-34-3
PubChem	PubChem CID 11765600 (opens in a new tab)

2D structure

PubChem 2D depiction · CID 11765600

3D structure

Computed conformer: one plausible shape of a flexible molecule, not a measured structure · RDKit

Additional properties

Computed
Property	Value
Exact mass	751.43407244 Da
Monoisotopic mass	751.43407244 Da
XLogP3	-6.1
Topological polar surface area	322 Å²
Hydrogen bond donors	9
Hydrogen bond acceptors	12
Rotatable bonds	19
Heavy atoms	53

Also known as

Selanc, Thr-Lys-Pro-Arg-Pro-Gly-Pro, TP-7

Identifiers

Registry identifiers
Registry	Value
UNII	TS9JR8EP1G (opens in a new tab)
DSSTox	DTXSID701029276 (opens in a new tab)

Sources

Data sources
Source	Kind	Retrieved
PubChem CID 11765600 (opens in a new tab)	PubChem	Oct 12, 2026
Computed conformer (RDKit ETKDGv3 + MMFF94)	Internal	Oct 12, 2026

Products containing this compound

Listed products
Product	Milligrams
Selank	entire fill

SergRussu · CC BY-SA 4.0

Selank | True Adam