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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

(S)-(+)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE price.
  • $65 - $1123
  • 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
8 prices
Selected condition：
Brand
  • AK Scientific
  • Alfa Aesar
  • Alichem
  • Chemenu
  • Matrix Scientific
  • SynQuest Laboratories
  • TRC
Package
  • 50mg
  • 500mg
  • 1g
  • 2g
  • 5g
  • 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
  • ManufacturerAlfa Aesar
  • Product numberL13334
  • Product description(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione, 99%
  • Packaging500mg
  • Price$108.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL13334
  • Product description(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione, 99%
  • Packaging2g
  • Price$388
  • Updated2024-03-01
  • 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
  • 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
  • ManufacturerMatrix Scientific
  • Product number089243
  • Product description(8AS)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging1g
  • Price$185
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number2418-1-X3
  • Product description(8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging500mg
  • Price$104
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberT205755
  • Product description(S)-(+)-3,4,8,8A-Tetrahydro-8A-methyl-1,6(2H,7H)-naphthalenedione
  • Packaging50mg
  • Price$65
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 0761AE (8AS)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 5g $1123 2021-12-16 Buy
Alfa Aesar L13334 (S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione, 99% 500mg $108.65 2024-03-01 Buy
Alfa Aesar L13334 (S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione, 99% 2g $388 2024-03-01 Buy
Alichem 33878998 (S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 5g $777.65 2021-12-16 Buy
Chemenu CM239712 (S)-8A-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 95% 5g $706 2021-12-16 Buy
Matrix Scientific 089243 (8AS)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 1g $185 2021-12-16 Buy
SynQuest Laboratories 2418-1-X3 (8aS)-(+)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 500mg $104 2021-12-16 Buy
TRC T205755 (S)-(+)-3,4,8,8A-Tetrahydro-8A-methyl-1,6(2H,7H)-naphthalenedione 50mg $65 2021-12-16 Buy

Properties

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

Safety Information

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