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ChemicalBook >> CAS DataBase List >> R(-)-8a-methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione

R(-)-8a-methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione

R(-)-8a-methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione price.
  • $42.2 - $1458
  • Product name: R(-)-8a-methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione
  • CAS: 100348-93-4
  • MF: C11H14O2
  • MW: 178.23
  • EINECS:-0
  • MDL Number:MFCD00063004
  • Synonyms:WIELAND-MIESCHER KETONE, R-(-)-ISOMER;(R)-MIESCHER-WIELAND KETONE;R(-)-9-METHYL-5(10)-OCTALINE-1,6-DIONE;(R)-(-)-3,4,8,8A-TETRAHYDRO-8A-METHYL-1,6(2H,7H)-NAPHTHALENEDIONE;(R)-(-)-9-Methyl-delta-(5,10)-octalin-1,6-dione;(R)-Wieland-Miescherketone;R(-)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenendione;(r)-(-)-9-methyl-e(
Price26 Properties Safety Information Description
26 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • Matrix Scientific
  • Synthonix
  • Thermo Scientific Chemicals
  • Usbiological
Package
  • 100.00mg
  • 100mg
  • 250.00mg
  • 250mg
  • 500mg
  • 1g
  • 1.00g
  • 2g
  • 5g
  • 10g
  • Manufactureraablocks
  • Product numberAA0001LF
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging100mg
  • Price$113
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA0001LF
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging250mg
  • Price$199
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA0001LF
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging1g
  • Price$472
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX201140
  • Product description(R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98.00%
  • Packaging250MG
  • Price$325
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX201140
  • Product description(R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98.00%
  • Packaging1G
  • Price$725
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-22196
  • Product descriptionR(-)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)naphthalenendione 97%
  • Packaging5g
  • Price$518
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number7145AC
  • Product description(8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging5g
  • Price$734
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number309533
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging1.00g
  • Price$692
  • Updated2026-05-19
  • Buy
  • ManufacturerMatrix Scientific
  • Product number089244
  • Product description(8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging1g
  • Price$473
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number309533
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging250.00mg
  • Price$284
  • Updated2026-05-19
  • Buy
  • ManufacturerMatrix Scientific
  • Product number309533
  • Product description(R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging100.00mg
  • Price$165
  • Updated2026-05-19
  • Buy
  • ManufacturerMatrix Scientific
  • Product number089244
  • Product description(8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging5g
  • Price$788
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number089244
  • Product description(8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione
  • Packaging10g
  • Price$1458
  • Updated2021-12-16
  • Buy
  • ManufacturerSynthonix
  • Product numberM91221
  • Product description(R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging100mg
  • Price$180
  • Updated2026-05-06
  • Buy
  • ManufacturerSynthonix
  • Product numberM91221
  • Product description(R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging250mg
  • Price$310
  • Updated2026-05-06
  • Buy
  • ManufacturerSynthonix
  • Product numberM91221
  • Product description(R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98%
  • Packaging1g
  • Price$740
  • Updated2026-05-06
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0001LF (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 100mg $113 2026-05-25 Buy
aablocks AA0001LF (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 250mg $199 2026-05-25 Buy
aablocks AA0001LF (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 1g $472 2026-05-25 Buy
ACHEMBLOCK X201140 (R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98.00% 250MG $325 2026-05-27 Buy
ACHEMBLOCK X201140 (R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98.00% 1G $725 2026-05-27 Buy
AHH MT-22196 R(-)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)naphthalenendione 97% 5g $518 2026-05-26 Buy
AK Scientific 7145AC (8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 5g $734 2021-12-16 Buy
Matrix Scientific 309533 (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 1.00g $692 2026-05-19 Buy
Matrix Scientific 089244 (8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 1g $473 2021-12-16 Buy
Matrix Scientific 309533 (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 250.00mg $284 2026-05-19 Buy
Matrix Scientific 309533 (R)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 100.00mg $165 2026-05-19 Buy
Matrix Scientific 089244 (8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 5g $788 2021-12-16 Buy
Matrix Scientific 089244 (8AR)-8a-Methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 10g $1458 2021-12-16 Buy
Synthonix M91221 (R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 100mg $180 2026-05-06 Buy
Synthonix M91221 (R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 250mg $310 2026-05-06 Buy
Synthonix M91221 (R)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione 98% 1g $740 2026-05-06 Buy
Next Last

Properties

Melting point :49-51 °C
storage temp. :2-8°C
Appearance :White to off-white Solid
optical activity :[α]20/D 98±2°, c = 1.1% in benzene
BRN :2050425
InChI :InChI=1S/C11H14O2/c1-11-6-5-9(12)7-8(11)3-2-4-10(11)13/h7H,2-6H2,1H3/t11-/m1/s1
InChIKey :DNHDRUMZDHWHKG-LLVKDONJSA-N
SMILES :C1(=O)[C@@]2(C)C(=CC(=O)CC2)CCC1

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Used in the synthesis of ent-steroids.

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Chengdu Xiangcai Pharmaceutical Technology Co., Ltd Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar Energy Chemical Chemsky（shanghai）International Co.,Ltd. Henan CoreyChem Co., Ltd Guangdong wengjiang Chemical Reagent Co., Ltd. Jiangsu aikang biomedical research and development co., LTD Shanghai Haohong Pharmaceutical Co., Ltd. Bide Pharmatech Ltd.