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Heterocyclic building blocks

Cryptotanshinone

Also known as Tanshinone c, Cryptotanshinon, (R)-1,2,6,7,8,9-Hexahydro-1,6,6-trimethyl-phenanthro(1,2-b)furan-10,11-dione

CAS 35825-57-1Formula C19H20O3Molar mass 296.37 g/molEC 633-682-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment 25 suppliers listed
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Cryptotanshinone chemical structure, C19H20O3, CAS 35825-57-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
35825-57-1
Formula
C19H20O3
Molar mass
296.37 g/mol
EC number
633-682-9
HS code
293299
Category
Heterocyclic building blocks

What is Cryptotanshinone?

Plain description, key identifiers and synonyms

Cryptotanshinone is an abietane diterpenoid. It has a role as an anticoronaviral agent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho[1,2-g][1]benzofuran-10,11-dione
CAS number
35825-57-1 CAS number cross-checkedOther or deprecated CAS: 4733-35-1
EC number
633-682-9
Molecular formula
C19H20O3
UNII
5E9SXT166N
MDL number
MFCD07636810
InChIKey
GVKKJJOMQCNPGB-JTQLQIEISA-N
InChI
InChI=1S/C19H20O3/c1-10-9-22-18-12-6-7-13-11(5-4-8-19(13,2)3)15(12)17(21)16(20)14(10)18/h6-7,10H,4-5,8-9H2,1-3H3/t10-/m0/s1
Canonical SMILES
CC1COC2=C1C(=O)C(=O)c1c2ccc2c1CCCC2(C)C
Isomeric SMILES
C[C@H]1COC2=C1C(=O)C(=O)C3=C2C=CC4=C3CCCC4(C)C

Synonyms

  • Tanshinone c
  • Cryptotanshinon
  • (R)-1,2,6,7,8,9-Hexahydro-1,6,6-trimethyl-phenanthro(1,2-b)furan-10,11-dione
  • (15R)-cryptotanshinone
  • (1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho[1,2-g][1]benzofuran-10,11-dione
  • (1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho(1,2-g)(1)benzofuran-10,11-dione
  • (R)-1,6,6-trimethyl-1,2,6,7,8,9-hexahydrophenanthro[1,2-b]furan-10,11-dione
  • (1r)-1,6,6-trimethyl-1,2,6,7,8,9-hexahydrophenanthro[1,2-b]furan-10,11-dione
  • Phenanthro[1,2-b]furan-10,11-dione,1,2,6,7,8,9-hexahydro-1,6,6-trimethyl-, (1R)-
  • 1,2,6,7,8,9-Hexahydro-1,6,6-trimethyl[1,2-b]furan-10,11-dione
  • Phenanthro[1,2-b]furan-10,11-dione,1,2,6,7,8,9-hexahydro-1,6,6-trimethyl-, (R)-
  • Cryototanshinone
  • (-)-Cryptotanshinone
  • Cryptotanshinon, Tanshinone c
  • Cryptonshinone
  • Cyptotanshinone
  • Cryptotanshinone (Standard)
  • Phenanthro(1,2-b)furan-10,11-dione, 1,2,6,7,8,9-hexahydro-1,6,6-trimethyl-, (R)-
  • Cryptotanshinone, >=98% (HPLC)
  • Cryptotanshinone, analytical standard
  • (1R)-1,6,6-trimethyl-1H,2H,6H,7H,8H,9H,10H,11H-phenanthro[1,2-b]furan-10,11-dione
  • (R)-1,2,6,7,8,9-Hexahydro-1,6,6-trimethylphenanthro[1,2-b]furan-10,11-dione
  • Cryptotanshinone (constituent of chinese salvia)
  • Phenanthro[1,11-dione, 1,2,6,7,8,9-hexahydro-1,6,6-trimeth
  • Phenanthro[1,11-dione, 1,2,6,7,8,9-hexahydro-1,6,6-trimethyl-, (1R)-
Show all 29 synonyms
  • (1R)-1,6,6-trimethyl-2,3a,7,8,9,11a-hexahydro-1H-naphtho[1,2-g]benzofuran-10,11-dione
  • (1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho[1,2-g]benzofuran-10,11-dione
  • (1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho[1,2-g]benzofuran-10,11-quinone
  • Phenanthro(1,2-b)furan-10,11-dione, 1,2,6,7,8,9-hexahydro-1,6,6-trimethyl-, (1R)-

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
296.37 g/molcalc.
Exact mass
296.1412 Dacalc.
LogP (octanol/water)
3.44calc.
Topological polar surface area
43.37 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.47calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 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(=O)c2c(ccc3c2CCCC3)C2=C1CCO2

O=C1C(=O)c2c(ccc3c2CCCC3)C2=C1CCO2

4 rings, 19 atoms.

6 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Cryptotanshinone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 25 suppliers
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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

25 suppliers in 4 countries

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Cryptotanshinone 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

Roles

  • anticoronaviral agent
  • antimicrobial agent
  • antiviral agent

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 Cryptotanshinone 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 Cryptotanshinone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cryptotanshinone?

Cryptotanshinone is an abietane diterpenoid. It has a role as an anticoronaviral agent.

What is the CAS number of Cryptotanshinone?

The CAS registry number of Cryptotanshinone is 35825-57-1. Other or deprecated CAS numbers: 4733-35-1.

What is the molecular formula and weight of Cryptotanshinone?

The molecular formula of Cryptotanshinone is C19H20O3 and its molar mass is 296.37 g/mol.

What is Cryptotanshinone used for?

Known uses and roles of Cryptotanshinone include building blocks in research and laboratory, screening compounds in research and laboratory, anticoronaviral agent, antimicrobial agent and antiviral agent.

Is Cryptotanshinone hazardous?

Cryptotanshinone carries the GHS signal word "Danger". Main hazards: toxic if swallowed, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cryptotanshinone?

Cryptotanshinone 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 Cryptotanshinone?

CompoundList lists 25 suppliers of Cryptotanshinone in China, United States, Germany and United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cryptotanshinone?

Suppliers quote Cryptotanshinone 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 Cryptotanshinone

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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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