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39828-28-9

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39828-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39828-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,8,2 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 39828-28:
(7*3)+(6*9)+(5*8)+(4*2)+(3*8)+(2*2)+(1*8)=159
159 % 10 = 9
So 39828-28-9 is a valid CAS Registry Number.

39828-28-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name methyl 2,6-dihydroxy-4-methoxy-3-methylbenzoate

1.2 Other means of identification

Product number -
Other names 2,6-dihydroxy-4-methoxy-3-methyl-benzoic acid methyl ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:39828-28-9 SDS

39828-28-9Relevant articles and documents

Enantioselective Total Synthesis of Berkeleyone A and Preaustinoids

Franzoni, Ivan,Guo, Chuning,Hong, Benke,Ji, Yunpeng,Jia, Hongli,Li, Houhua,Zhang, Yang

supporting information, p. 14869 - 14874 (2021/05/27)

Herein we report the first enantioselective total synthesis of 3,5-dimethylorsellinic acid-derived meroterpenoids (?)-berkeleyone A and its five congeners ((?)-preaustinoids A, A1, B, B1, and B2) in 12–15 steps, starting from commercially available 2,4,6-trihydroxybenzoic acid hydrate. Based upon the recognition of latent symmetry within D-ring, our convergent synthesis features two critical reactions: 1) a symmetry-breaking, diastereoselective dearomative alkylation to assemble the entire carbon core, and 2) a Sc(OTf)3-mediated sequential Krapcho dealkoxycarbonylation/carbonyl α-tert-alkylation to forge the intricate bicyclo[3.3.1]nonane framework. We also conducted our preliminary biomimetic investigations and uncovered a series of rearrangements (α-ketol, α-hydroxyl-β-diketone, etc.) responsible for the biomimetic diversification of (?)-berkeleyone A into its five preaustinoid congeners.

Trimethoxyphenyl Compounds, XI. Constituents of Hagenia abyssinica, 2: Synthesis of Phloracylophenones Containing One Phloroglucinol Unit

Schiemenz, Guenter Paulus,Behrens, Heinz,Ebert, Claus Peter,Maienschein, Konrad,Schroeder, Jens-Michael

, p. 681 - 692 (2007/10/02)

For the Koso constituents K6 and K8, we previously proposed the structures 1a, b and 2a, b.These assignments have been confirmed by synthesis. - Keywords: Flores koso, Revised Structure, Synthesis of Phloroglucinols

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