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

(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H

Product Name: (S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H
CAS No.: 17553-86-5
Chemical Name: (S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H
Synonyms: AT-51114;AT-51113;PEFC-012;(+)-Hajos-Parrish ketone;(S)-(+)-Hajos-Parrish Ketone;(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H;(S)-7a-Methyl-7,7a-dihydro-indan-1,5(6H)-dione;(+)-7,7a-Dihydro-7aβ-Methyl-1,5(6H)-indandione;7a-Methyl-2,3,7,7a-tetrahydro-6H-indene-1,5-dione;(+)-7,7a-Dihydro-7α, β-methyl-1,5(6H)-indandione
CBNumber: CB0500373
Molecular Formula: C10H12O2
Formula Weight: 164.2
MOL File: 17553-86-5.mol

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(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H Property

Melting point:: 57-64 °C
Boiling point:: 231.67°C (rough estimate)
Density: 1.0041 (rough estimate)
refractive index: 1.5480 (estimate)
storage temp.: Refrigerator
solubility: Chloroform, Methanol
form: Crystalline Powder, Crystals and/or Chunks
color: White to yellow to beige
BRN: 1619112
CAS DataBase Reference: 17553-86-5

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Safety

Hazard Codes: Xn
Risk Statements: 22-36/37/38-43
Safety Statements: 26-36/37-39
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 1
HS Code: 29142900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 664073
Product name: (S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione
Purity: 97%
Packaging: 1g
Price: $36.4
Updated: 2025/07/31

TRC

Product number: T295660
Product name: (S)-(+)-5,6,7,8-Tetrahydro-8-methylindan-1,5-dione
Packaging: 1g
Price: $85
Updated: 2021/12/16

TRC

Product number: T295660
Product name: (S)-(+)-5,6,7,8-Tetrahydro-8-methylindan-1,5-dione
Packaging: 5g
Price: $305
Updated: 2021/12/16

Chem-Impex

Product number: 24126
Product name: (S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione,99%(HPLC)
Purity: 99%(HPLC)
Packaging: 1G
Price: $44.8
Updated: 2021/12/16

Chem-Impex

Product number: 24126
Product name: (S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione,99%(HPLC)
Purity: 99%(HPLC)
Packaging: 5G
Price: $190.4
Updated: 2021/12/16

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(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H Chemical Properties,Usage,Production

Chemical Properties

White to beige crystalline powder

Uses

(S)-(+)-Hajos-Parrish diketone can be used as a reactant in:

The total synthesis of steroidal alkaloids cortistatins.
The stereoselective preparation of hydroanthracenol and related polycyclic compounds via Ti(Oi-Pr)₄-promoted photoenolization Diels-Alder reaction.
The synthesis of γ,γ-disubstituted allyldiboron compounds by reacting with allylic 1,1-diboronate reagents via Cu-catalyzed borylation and 1,2-addition reaction.

Uses

An intermediate in the Indenedione preparation.

(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H Preparation Products And Raw materials

Raw materials

Preparation Products

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(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H Suppliers

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17553-86-5, (S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1HRelated Search:

3-Pyridinecarboxylic acid, 1,2,5,6-tetrahydro-1-methyl-, methyl ester, hydrobromide Butanoic acid, (tetrahydro-2-furanyl)methyl ester 1,2,3,9-TETRAHYDRO-3-[(2-METHYL-1H-IMIDAZOLE-1)METHYL]-4H-CARBAZOL-4-ONE,1,2,3,9-tetrahydro-3-[(2-methyl-1h-imidazole-1-yl)methyl]-4h-carbazol-4-one Fursultiamine (n)-3,4,8,8a-tetrahydro-8a-methyl-1,6(2h,7h)-naphthalenedione N-((1,2,3,4-TETRAHYDRO-1-ISOQUINOLINYL)METHYL)BENZAMIDE Cyclohexanol, 4-methylene-3-[2-[tetrahydro-7a-methyl-1-(1,4,5-trimethyl-2-hexenyl)-4(3aH)-indanylidene]ethylidene]- (6CI) 2-Propenoic acid, 3-phenyl-, (tetrahydro-2-furanyl)methyl ester GLYCOFUROL 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-(4-methyl-3-pentenyl)- (3R)-cis-Tetrahydro-7a-methyl-3-phenylpyrrolo[2.1-b]oxazol-5(6H)-one Benzeneacetic acid, (tetrahydro-2-furanyl)methyl ester Diethyl-(6-chloro1,2,3,4-tetrahydro-2-carbazolyl)methyl-d3 Malonate (3S)-cis-Tetrahydro-7a-methyl-3-(1-methylethyl)pyrrolo[2.1-b]oxazol-5(6H)-one (3R)-cis-Tetrahydro-7a-methyl-3-(1-methylethyl)pyrrolo[2.1-b]oxazol-5(6H)-one (3S)-cis-Tetrahydro-7a-methyl-3-phenylpyrrolo[2.1-b]oxazol-5(6H)-one 1,2-Benzenediol, 4-[[[(tetrahydro-2-furanyl)methyl]amino]methyl]- (9CI) 1H-Azepino(5,4,3-cd)indole, 3,4,5,6-tetrahydro-6-(2-methyl-1-propenyl) -, (-)-

(S)-7a-methyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H

AT-51114

7a-methyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-di

AT-51113

(+)-7,7a-Dihydro-7aβ-Methyl-1,5(6H)-indandione

(7aS)-2,3,7,7a-Tetrahydro-7a-Methyl-1H-indene-1,5(6H)-dione

(S)-(+)-Hajos-Parrish Ketone

(S)-7a-Methyl-7,7a-dihydro-indan-1,5(6H)-dione

(S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione 97%

7a-Methyl-2,3,7,7a-tetrahydro-6H-indene-1,5-dione

(S)-7a-Methyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione

PEFC-012

(S)-(+)-5,6,7,8-Tetrahydro-8-Methylindan-1,5-dione

(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H

(S)-(+)-2,3,7,7ALPHA-TETRAHYDRO-7ALPHA-METHYL-1H- INDENE-1,5(6H)-DIONE 90%

(+)-5,6,7,8-Tetrahydro-8-methylindan-1,5-dione, (S)-(+)-Hajos-Parrish diketone, (S)-Hajos dione, (S)-Hajos ketone, (S)-Hajos-Wiechert ketone, (+)-7,7a-Dihydro-7α, β-methyl-1,5(6H)-indandione

(S)-(+)-2,3,7,7a-Ttetrahydro-7a-methyl-1H- indene-1,5(6H)-dione, 90%

(S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione,90%

(+)-7,7a-Dihydro-7α, β-methyl-1,5(6H)-indandione

1H-Indene-1,5(6H)-dione, 2,3,7,7a-tetrahydro-7a-methyl-, (7aS)-

(7aS)-7a-methyl-2,3,6,7-tetrahydroindene-1,5-dione

(+)-Hajos-Parrish ketone

(S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione

17553-86-5

Aromatics

Intermediate