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Peptides

Tuftsin

Also known as L-threonyl-l-LYSYL-l-prolyl-l-arginine, L-Arginine, N2-(1-(N2-L-threonyl-L-lysyl)-L-prolyl)-, Taftsin

CAS 9063-57-4Formula C21H40N8O6Molar mass 500.60 g/mol
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Tuftsin chemical structure, C21H40N8O6, CAS 9063-57-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
9063-57-4
Formula
C21H40N8O6
Molar mass
500.60 g/mol
HS code
293399
Category
Peptides

What is Tuftsin?

Plain description, key identifiers and synonyms

Tuftsin is a chemical substance with the molecular formula C21H40N8O6 and a molar mass of 500.60 g/mol. Its CAS registry number is 9063-57-4. The IUPAC name is (2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
CAS number
9063-57-4Other or deprecated CAS: 111610-67-4, 72103-53-8
Molecular formula
C21H40N8O6
UNII
QF5336J16C
InChIKey
IESDGNYHXIOKRW-YXMSTPNBSA-N
InChI
InChI=1S/C21H40N8O6/c1-12(30)16(23)18(32)27-13(6-2-3-9-22)19(33)29-11-5-8-15(29)17(31)28-14(20(34)35)7-4-10-26-21(24)25/h12-16,30H,2-11,22-23H2,1H3,(H,27,32)(H,28,31)(H,34,35)(H4,24,25,26)/t12-,13+,14+,15+,16+/m1/s1
Canonical SMILES
CC(O)C(N)C(=O)NC(CCCCN)C(=O)N1CCCC1C(=O)NC(CCCN=C(N)N)C(=O)O
Isomeric 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)O)N)O

Synonyms

  • L-threonyl-l-LYSYL-l-prolyl-l-arginine
  • L-Arginine, N2-(1-(N2-L-threonyl-L-lysyl)-L-prolyl)-
  • Taftsin
  • L-Arginine, N2-[1-(N2-L-threonyl-L-lysyl)-L-prolyl]-
  • L-THR-L-Lys-L-pro-L-arg
  • (2S)-2-(((2S)-1-(6-amino-2-(((2S,3R)-2-amino-3-hydroxybutanoyl)amino)hexanoyl)pyrrolidine-2-carbonyl)amino)-5-(diaminomethylideneamino)pentanoic acid
  • (2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
  • Tuftsin Diacetate
  • H-TKPR-OH
  • H-Thr-Lys-Pro-Arg-OH
  • Threonyllysylprolyl-N~5~-(diaminomethylidene)ornithine
  • Thr-Lys-Pro-Arg, L-Threonyl-L-lysyl-L-prolyl-L-arginine
  • (2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxy-butanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-guanidino-pentanoic acid
  • (S)-2-((S)-1-((S)-6-amino-2-((2S,3R)-2-amino-3-hydroxybutanamido)hexanoyl)pyrrolidine-2-carboxamido)-5-guanidinopentanoic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
500.60 g/molcalc.
Exact mass
500.3071 Dacalc.
LogP (octanol/water)
-3.08calc.
Topological polar surface area
252.5 Ųcalc.
Hydrogen bond donors
8calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
15calc.
Heavy atoms
35calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.76calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCNC1

C1CCNC1

1 ring, 5 atoms, the Pyrrolidine ring system.

22,348 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Tuftsin suppliers

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All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Tuftsin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Immunologic Factors

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Tuftsin is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Tuftsin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Tuftsin, based on the data on this page

What is Tuftsin?

Tuftsin is a chemical substance with the molecular formula C21H40N8O6 and a molar mass of 500.60 g/mol. Its CAS registry number is 9063-57-4. The IUPAC name is (2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid.

What is the CAS number of Tuftsin?

The CAS registry number of Tuftsin is 9063-57-4. Other or deprecated CAS numbers: 111610-67-4, 72103-53-8.

What is the molecular formula and weight of Tuftsin?

The molecular formula of Tuftsin is C21H40N8O6 and its molar mass is 500.60 g/mol.

What is Tuftsin used for?

Known uses and roles of Tuftsin include immunologic factors.

Is Tuftsin hazardous?

No GHS hazard classification for Tuftsin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Tuftsin?

Tuftsin is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tuftsin?

CompoundList lists 2 suppliers of Tuftsin in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tuftsin?

Suppliers quote Tuftsin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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