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CAS

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7298-35-3

Benzaldehyde, 2,4,5-tris(phenylmethoxy)-, also known as 2,4,5-tri-O-benzylbenzaldehyde, is a complex organic compound with the chemical formula C30H26O3. It is a derivative of benzaldehyde, where three phenylmethoxy groups are attached to the 2, 4, and 5 positions of the benzene ring. Benzaldehyde, 2,4,5-tris(phenylmethoxy)- is a colorless to pale yellow solid and is soluble in organic solvents. It is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. The presence of the phenylmethoxy groups makes it a valuable protecting group in organic synthesis, as it can be selectively removed under mild conditions to yield the parent benzaldehyde.

7298-35-3

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7298-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7298-35-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,9 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7298-35:
(6*7)+(5*2)+(4*9)+(3*8)+(2*3)+(1*5)=123
123 % 10 = 3
So 7298-35-3 is a valid CAS Registry Number.

7298-35-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,4,5-tris(phenylmethoxy)benzaldehyde

1.2 Other means of identification

Product number -
Other names Benzaldehyde,2,4,5-tris(phenylmethoxy)

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:7298-35-3 SDS

7298-35-3Relevant articles and documents

Stereoselective syntheses of (-)-podorhizol lignan and its derivatives: Erythro and threo preferential aldol condensation of potassium enolate from γ-butyrolactone with alkoxybenzaldehyde

Yamauchi, Satoshi,Machi, Mitsuo,Kinoshita, Yoshiro

, p. 1453 - 1462 (2007/10/03)

(-)-Podorhizol (1) was stereoselectively synthesized by erythro preferential aldol condensation of 3,4,5-trimethoxybenzaldehyde with potassium enolate from (+)-(R)-3-(3,4-methylenedioxybenzyl)-4-butanolide (2) (erythro: threo=85:15). Erythro selectivity was observed in the aldol condensation of many alkoxybenzaldehydes with potassium enolate from (+)-γ-butyrolactone 2. However, benzaldehydes having methoxy groups at both the 2 and 6 positions gave threo selectivity in the aldol condensation with potassium enolate from (+)-γ-butyrolactone 2.

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