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α,5-Dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid is a complex organic compound with a molecular formula of C18H22O4. It features a cyclopentene ring, which is a five-membered carbon ring, with two methyl groups (CH3) attached to the first and fifth carbon atoms. The fourth carbon is connected to a phenylmethoxy group, which consists of a benzene ring (C6H5) attached to a methoxy group (-OCH3). Additionally, the fifth carbon is bonded to a hydroxyethyl group (-CH2CH2OH), which contains a hydroxyl group (-OH). The compound also has a carboxylic acid group (-COOH) attached to the first carbon. This chemical structure endows the molecule with unique properties and potential applications in various fields, such as pharmaceuticals or chemical research.

82043-30-9

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Basic information
1. Product Name: α,5-dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid
2. Synonyms: α,5-dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid
3. CAS NO:82043-30-9
4. Molecular Formula:
5. Molecular Weight: 304.386
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: α,5-dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: α,5-dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid(82043-30-9)
11. EPA Substance Registry System: α,5-dimethyl-4-(phenylmethoxy)-5-(1-hydroxyethyl)-2-cyclopentene-1-acetic acid(82043-30-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 82043-30-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 82043-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,4 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82043-30:
(7*8)+(6*2)+(5*0)+(4*4)+(3*3)+(2*3)+(1*0)=99
99 % 10 = 9
So 82043-30-9 is a valid CAS Registry Number.

82043-30-9Upstream product

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82043-30-9Relevant academic research and scientific papers

Pseudoguaianolides. 2. Stereocontrolled Total Synthesis of the Helenanolide dl-Helenalin

Grieco, Paul A.,Ohfune, Yasufumi,Majetich, George F.,Wang, C. L. J.

, p. 4233 - 4240 (2007/10/02)

A stereocontrolled total synthesis of the sesquiterpene lactone dl-helenalin (2) is described.The synthesis starts with cyclopentenol 3 and proceeds via the intermediacy of perhydroazulenone 20.Elaboration of 20 into epoxy alcohol 28 sets the stage for in

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