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Pam2csk4

Also known as CBLB 601, S-(2,3-Bis((1-oxohexadecyl)oxy)propyl)-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-L-lysine, L-Lysine, S-(2,3-bis((1-oxohexadecyl)oxy)propyl)-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-

CAS 574741-81-4Formula C65H126N10O12SMolar mass 1,271.85 g/mol
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Pam2csk4 chemical structure, C65H126N10O12S, CAS 574741-81-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
574741-81-4
Formula
C65H126N10O12S
Molar mass
1,271.85 g/mol
HS code
293090
Category
Peptides

What is Pam2csk4?

Plain description, key identifiers and synonyms

S-[2,3-bis(palmitoyloxy)propyl]-Cys-Ser-Lys-Lys-Lys-Lys is a triacyl lipopeptide that is the pentapeptide Cys-Ser-Lys-Lys-Lys-Lys in which the side-chain thiol hydrogen on the Cys residue has been replaced by a 2,3-bis(palmitoyloxy)propyl group. It is an organic sulfide and a diacyl lipopeptide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2R)-2-amino-3-[2,3-di(hexadecanoyloxy)propylsulfanyl]propanoyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]amino]hexanoyl]amino]hexanoyl]amino]hexanoic acid
CAS number
574741-81-4
Molecular formula
C65H126N10O12S
UNII
L33ZW7BO91
InChIKey
LJUIOEFZFQRWJG-KKIBDXJDSA-N
InChI
InChI=1S/C65H126N10O12S/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-41-58(77)86-48-51(87-59(78)42-28-26-24-22-20-18-16-14-12-10-8-6-4-2)49-88-50-52(70)60(79)75-57(47-76)64(83)73-54(38-30-34-44-67)62(81)71-53(37-29-33-43-66)61(80)72-55(39-31-35-45-68)63(82)74-56(65(84)85)40-32-36-46-69/h51-57,76H,3-50,66-70H2,1-2H3,(H,71,81)(H,72,80)(H,73,83)(H,74,82)(H,75,79)(H,84,85)/t51?,52-,53-,54-,55-,56-,57-/m0/s1
Canonical SMILES
CCCCCCCCCCCCCCCC(=O)OCC(CSCC(N)C(=O)NC(CO)C(=O)NC(CCCCN)C(=O)NC(CCCCN)C(=O)NC(CCCCN)C(=O)NC(CCCCN)C(=O)O)OC(=O)CCCCCCCCCCCCCCC
Isomeric SMILES
CCCCCCCCCCCCCCCC(=O)OCC(CSC[C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)O)N)OC(=O)CCCCCCCCCCCCCCC

Synonyms

  • CBLB 601
  • S-(2,3-Bis((1-oxohexadecyl)oxy)propyl)-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-L-lysine
  • L-Lysine, S-(2,3-bis((1-oxohexadecyl)oxy)propyl)-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-
  • PAM2CSK4 acetate
  • PAM2 CSK4
  • PAM(2) CSK(4)
  • S-[2,3-bis(palmitoyloxy)-(2RS)-propyl]-[R]-cysteinyl-[S]-seryl-[S]-lysyl-[S]-lysyl-[S]-lysyl-[S]-lysine
  • S-[2,3-bis(palmitoyloxy)propyl]-Cys-Ser-Lys-Lys-Lys-Lys
  • S-[2,3-bis(hexadecanoyloxy)propyl]-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-L-lysine
  • S-[2,3-bis(palmitoyloxy)propyl]-L-cysteinyl-L-seryl-L-lysyl-L-lysyl-L-lysyl-L-lysine

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
1,271.85 g/molcalc.
Exact mass
1,270.9277 Dacalc.
LogP (octanol/water)
7.48calc.
Topological polar surface area
385.7 Ųcalc.
Hydrogen bond donors
12calc.
Hydrogen bond acceptors
17calc.
Rotatable bonds
63calc.
Heavy atoms
88calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
7calc.
Lipinski rule of five
Fails (4 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

Pam2csk4 suppliers

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Pam2csk4 price

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Pam2csk4 is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Pam2csk4 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pam2csk4, based on the data on this page

What is Pam2csk4?

S-[2,3-bis(palmitoyloxy)propyl]-Cys-Ser-Lys-Lys-Lys-Lys is a triacyl lipopeptide that is the pentapeptide Cys-Ser-Lys-Lys-Lys-Lys in which the side-chain thiol hydrogen on the Cys residue has been replaced by a 2,3-bis(palmitoyloxy)propyl group. It is an organic sulfide and a diacyl lipopeptide.

What is the CAS number of Pam2csk4?

The CAS registry number of Pam2csk4 is 574741-81-4.

What is the molecular formula and weight of Pam2csk4?

The molecular formula of Pam2csk4 is C65H126N10O12S and its molar mass is 1,271.85 g/mol.

Is Pam2csk4 hazardous?

No GHS hazard classification for Pam2csk4 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 Pam2csk4?

Pam2csk4 is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pam2csk4?

Post a free request on CompoundList and suppliers of Pam2csk4 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Pam2csk4?

Suppliers quote Pam2csk4 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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