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ChemicalBook >> CAS DataBase List >> (S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE

(S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE

$65 - $1415.42
Product name: (S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE
CAS: 33878-99-8
MF: C11H14O2
MW: 178.23
EINECS:
MDL Number:MFCD00213797
Synonyms:8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione;(S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE;WIELAND-MIESCHER KETONE;WIELAND-MIESCHER KETONE, S-(+)-ISOMER;(8AS)-8A-METHYL-3,4,8,8A-TETRAHYDRONAPHTHALENE-1,6(2H,7H)-DIONE;(S)-(+)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione;(S)-(+)-9-Methyl-DELTA(5,10)-octalin-1,6-dione~(S)-Wieland-Miescher ketone;(S)-(+)-9-Methyl-DELTA^(^5^,^1^0^)-octalin-1,6-dione~(S)-Wieland-Miescher ketone

Price25 Properties Safety Information Description

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aablocks
AK Scientific
Alichem
Apolloscientific
Chemenu
Chem-Impex
Crysdot
Matrix Scientific
SynQuest Laboratories
Thermo Scientific Chemicals
TRC

Package

50mg
100mg
100.00mg
250mg
250.00mg
500mg
1.00g
1g
2g
5g

Manufactureraablocks
Product numberAA003CED
Product description(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione 95%
Packaging100mg
Price$72
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003CED
Product description(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione 95%
Packaging250mg
Price$86
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003CED
Product description(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)
Packaging1g
Price$337
Updated2026-05-28
Buy

ManufacturerAK Scientific
Product number0761AE
Product description(8AS)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
Packaging5g
Price$1123
Updated2021-12-16
Buy

ManufacturerAlichem
Product number33878998
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
Packaging5g
Price$777.65
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR3611
Product description(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%
Packaging2g
Price$453
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR3611
Product description(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%
Packaging250mg
Price$147
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR3611
Product description(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%
Packaging500mg
Price$168
Updated2026-06-04
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ManufacturerChemenu
Product numberCM239712
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%
Packaging500mg
Price$174
Updated2026-05-20
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ManufacturerChemenu
Product numberCM239712
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%
Packaging500mg
Price$174
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM239712
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%
Packaging1g
Price$275
Updated2026-05-20
Buy

ManufacturerChemenu
Product numberCM239712
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%
Packaging1g
Price$275
Updated2026-05-26
Buy

ManufacturerChemenu
Product numberCM239712
Product description(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%
Packaging5g
Price$706
Updated2021-12-16
Buy

ManufacturerChem-Impex
Product number24168
Product description(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)
Packaging5G
Price$1415.42
Updated2026-05-19
Buy

ManufacturerChem-Impex
Product number24168
Product description(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)
Packaging1G
Price$316.97
Updated2026-05-19
Buy

ManufacturerChem-Impex
Product number24168
Product description(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)
Packaging250MG
Price$108.36
Updated2026-05-19
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003CED	(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione 95%	100mg	$72	2026-05-28	Buy
aablocks	AA003CED	(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione 95%	250mg	$86	2026-05-28	Buy
aablocks	AA003CED	(8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)	1g	$337	2026-05-28	Buy
AK Scientific	0761AE	(8AS)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione	5g	$1123	2021-12-16	Buy
Alichem	33878998	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione	5g	$777.65	2021-12-16	Buy
Apolloscientific	OR3611	(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%	2g	$453	2026-06-04	Buy
Apolloscientific	OR3611	(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%	250mg	$147	2026-06-04	Buy
Apolloscientific	OR3611	(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 99%	500mg	$168	2026-06-04	Buy
Chemenu	CM239712	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%	500mg	$174	2026-05-20	Buy
Chemenu	CM239712	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%	500mg	$174	2026-05-26	Buy
Chemenu	CM239712	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%	1g	$275	2026-05-20	Buy
Chemenu	CM239712	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%	1g	$275	2026-05-26	Buy
Chemenu	CM239712	(S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95%	5g	$706	2021-12-16	Buy
Chem-Impex	24168	(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)	5G	$1415.42	2026-05-19	Buy
Chem-Impex	24168	(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)	1G	$316.97	2026-05-19	Buy
Chem-Impex	24168	(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥99%(ChiralHPLC)	250MG	$108.36	2026-05-19	Buy

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Properties

Melting point :50-52 °C(lit.)
storage temp. :2-8°C
form :crystalline powder
color :Cream
BRN :1569979

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P271	Use only outdoors or in a well-ventilated area.
P280	Wear protective gloves/protective clothing/eye protection/face protection.

Description

Key intermediate in the total synthesis of the macrocyclic diterpene lactone, (+)-cleomeolide. Chiral building block for enantioselective approaches to the A and C rings of taxol. Used to study selective hydrogenations of the carbon-carbon double bonds in α,β-unsaturated ketones with a new class of palladium complexes as catalysts.

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(S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE

Properties

Safety Information

Description

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