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Heterocyclic building blocks

Mar 70

Also known as Mar-70, mar70, 9-acetyl-7-[4-amino-5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione

CAS 67441-26-3Formula C33H39NO13Molar mass 657.67 g/mol
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Mar 70 chemical structure, C33H39NO13, CAS 67441-26-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67441-26-3
Formula
C33H39NO13
Molar mass
657.67 g/mol
HS code
293299
Category
Heterocyclic building blocks

What is Mar 70?

Plain description, key identifiers and synonyms

Mar 70 is a chemical substance with the molecular formula C33H39NO13 and a molar mass of 657.67 g/mol. Its CAS registry number is 67441-26-3. The IUPAC name is 9-acetyl-7-[4-amino-5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
9-acetyl-7-[4-amino-5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione
CAS number
67441-26-3 CAS number cross-checked
Molecular formula
C33H39NO13
InChIKey
QTGKDZKONUUXOU-UHFFFAOYSA-N
InChI
InChI=1S/C33H39NO13/c1-12-27(37)18(36)9-22(44-12)47-32-13(2)45-21(8-17(32)34)46-20-11-33(42,14(3)35)10-16-24(20)31(41)26-25(29(16)39)28(38)15-6-5-7-19(43-4)23(15)30(26)40/h5-7,12-13,17-18,20-22,27,32,36-37,39,41-42H,8-11,34H2,1-4H3
SMILES (canonical and isomeric)
CC1C(C(CC(O1)OC2C(OC(CC2N)OC3CC(CC4=C3C(=C5C(=C4O)C(=O)C6=C(C5=O)C(=CC=C6)OC)O)(C(=O)C)O)C)O)O

Synonyms

  • Mar-70
  • mar70
  • 9-acetyl-7-[4-amino-5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione
  • 3-acetyl-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl 3-amino-2,3,6-trideoxy-4-o-(2,6-dideoxyhexopyranosyl)hexopyranoside

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
657.67 g/molcalc.
Exact mass
657.2421 Dacalc.
LogP (octanol/water)
0.91calc.
Topological polar surface area
224.5 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
14calc.
Rotatable bonds
6calc.
Heavy atoms
47calc.
Rings
6calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Fails (3 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=C1c2ccccc2C(=O)c2cc3c(cc21)CCCC3OC1CCC(OC2CCCCO2)CO1

O=C1c2ccccc2C(=O)c2cc3c(cc21)CCCC3OC1CCC(OC2CCCCO2)CO1

6 rings, 34 atoms.

31 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.

Mar 70 suppliers

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Mar 70 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 Mar 70 is traded under.

HS 2932.99Indicative HS code

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

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Mar 70 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Mar 70, based on the data on this page

What is Mar 70?

Mar 70 is a chemical substance with the molecular formula C33H39NO13 and a molar mass of 657.67 g/mol. Its CAS registry number is 67441-26-3. The IUPAC name is 9-acetyl-7-[4-amino-5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-6-methyloxan-2-yl]oxy-6,9,11-trihydroxy-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione.

What is the CAS number of Mar 70?

The CAS registry number of Mar 70 is 67441-26-3.

What is the molecular formula and weight of Mar 70?

The molecular formula of Mar 70 is C33H39NO13 and its molar mass is 657.67 g/mol.

What is Mar 70 used for?

Known uses and roles of Mar 70 include building blocks in research and laboratory.

Is Mar 70 hazardous?

No GHS hazard classification for Mar 70 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 Mar 70?

Mar 70 is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Mar 70?

Post a free request on CompoundList and suppliers of Mar 70 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Mar 70?

Suppliers quote Mar 70 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 Mar 70

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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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