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Vitamins and nutraceutical actives

MK-11

Also known as menaquinone-11, Menaquinone 11, Vitamin MK 11

CAS 19228-10-5Formula C66H96O2Molar mass 921.49 g/mol
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MK-11 chemical structure, C66H96O2, CAS 19228-10-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19228-10-5
Formula
C66H96O2
Molar mass
921.49 g/mol
HS code
293629
Category
Vitamins and nutraceutical actives

What is MK-11?

Plain description, key identifiers and synonyms

MK-11 is a chemical substance with the molecular formula C66H96O2 and a molar mass of 921.49 g/mol. Its CAS registry number is 19228-10-5. The IUPAC name is 2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,14,18,22,26,30,34,38,42-undecaenyl]naphthalene-1,4-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,14,18,22,26,30,34,38,42-undecaenyl]naphthalene-1,4-dione
CAS number
19228-10-5
Molecular formula
C66H96O2
InChIKey
YYDMANIEKFAEJC-RYZSZPJESA-N
InChI
InChI=1S/C66H96O2/c1-50(2)26-16-27-51(3)28-17-29-52(4)30-18-31-53(5)32-19-33-54(6)34-20-35-55(7)36-21-37-56(8)38-22-39-57(9)40-23-41-58(10)42-24-43-59(11)44-25-45-60(12)48-49-62-61(13)65(67)63-46-14-15-47-64(63)66(62)68/h14-15,26,28,30,32,34,36,38,40,42,44,46-48H,16-25,27,29,31,33,35,37,39,41,43,45,49H2,1-13H3/b51-28+,52-30+,53-32+,54-34+,55-36+,56-38+,57-40+,58-42+,59-44+,60-48+
SMILES
CC1=C(C(=O)C2=CC=CC=C2C1=O)C/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CCC=C(C)C

Synonyms

  • menaquinone-11
  • Menaquinone 11
  • Vitamin MK 11
  • 4,18,22,26,30,34,38,42-undecaen-1-yl]naphthalene-1,4-dione
  • 2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,1

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
921.49 g/molcalc.
Exact mass
920.741 Dacalc.
LogP (octanol/water)
21calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
32calc.
Heavy atoms
68calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.52calc.
Formal charge
0calc.
Stereocentres
0calc.
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, O=C1C=CC(=O)c2ccccc21

O=C1C=CC(=O)c2ccccc21

2 rings, 12 atoms, the 1,4-Naphthoquinone ring system.

875 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.

MK-11 suppliers

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MK-11 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 MK-11 is traded under.

HS 2936.29Indicative HS code

Vitamins and their derivatives, unmixed, other vitamins and their derivatives

World exports in 2024
$2.21B
+8.7% vs 2023, imports $1.85B
2019 to 2024
Top exporters
  1. China25.3%
  2. United States14.5%
  3. Australia13.8%
Top importers
  1. United States16.4%
  2. Netherlands9.4%
  3. Spain5.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for MK-11 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about MK-11, based on the data on this page

What is MK-11?

MK-11 is a chemical substance with the molecular formula C66H96O2 and a molar mass of 921.49 g/mol. Its CAS registry number is 19228-10-5.

What is the CAS number of MK-11?

The CAS registry number of MK-11 is 19228-10-5.

What is the molecular formula and weight of MK-11?

The molecular formula of MK-11 is C66H96O2 and its molar mass is 921.49 g/mol.

What is MK-11 used for?

Known uses and roles of MK-11 include vitamins and supplements in pharmaceuticals, vitamins, minerals and nutrients in food and beverage and feed vitamins in animal feed and nutrition.

Is MK-11 hazardous?

No GHS hazard classification for MK-11 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 MK-11?

MK-11 is usually classified under HS code 293629 (Vitamins and their derivatives, unmixed, other vitamins and their derivatives). This is indicative, confirm it with your customs broker before shipping.

Where can I buy MK-11?

Post a free request on CompoundList and suppliers of MK-11 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of MK-11?

Suppliers quote MK-11 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

Practical guides that help when you source, ship or handle MK-11

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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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