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21144-18-3

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21144-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21144-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21144-18:
(7*2)+(6*1)+(5*1)+(4*4)+(3*4)+(2*1)+(1*8)=63
63 % 10 = 3
So 21144-18-3 is a valid CAS Registry Number.

21144-18-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-(4-hydroxy-2-methoxyphenyl)-propanoic acid

1.2 Other means of identification

Product number -
Other names 3-(4-HYDROXY-2-METHOXYPHENYL)PROPANOIC ACID

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:21144-18-3 SDS

21144-18-3Downstream Products

21144-18-3Relevant articles and documents

Ruthenium-catalyzed intramolecular arene C(sp2)-H amidation for synthesis of 3,4-dihydroquinolin-2(1 H)-ones

Au, Chi-Ming,Ling, Cho-Hon,Sun, Wenlong,Yu, Wing-Yiu

, p. 3310 - 3314 (2021/05/29)

We report the [Ru(p-cymene)(l-proline)Cl] ([Ru1])-catalyzed cyclization of 1,4,2-dioxazol-5-ones to form dihydroquinoline-2-ones in excellent yields with excellent regioselectivity via a formal intramolecular arene C(sp2)-H amidation. The reactions of the 2- and 4-substituted aryl dioxazolones proceeds initially through spirolactamization via electrophilic amidation at the arene site, which is para or ortho to the substituent. A Hammett correlation study showed that the spirolactamization is likely to occur by electrophilic nitrenoid attack at the arene, which is characterized by a negative ρ value of -0.73.

PHENYLALKANOIC ACID AND PHENYLOXYALKANOIC ACID DERIVATIVES AS HPPAR ACTIVATORS

-

, (2010/02/05)

The present invention provides a compound of formula (I):wherein:R1 and R2 are independently H or C1-3 alkyl;X represents a O or (CH2)n where n is 0, 1 or 2;R3and R4 independently represent H, C1-3 alkyl, -OCH3, -CF3, allyl, or halogen;X1 represents O, S, SO2, SO, or CH2;R5 and R6 independently represent hydrogen, C1-6 alkyl (including branched alkyl and optionally substituted by one or more halogens or C1-6alkoxy), or together with the carbon atom to which they are bonded form a 3-6 membered cycloalkyl ring;R7 represents a phenyl or a 6 membered heteroaryl group containing 1, 2 or 3 nitrogen atoms wherein the phenyl or heteroaryl group is substituted by 1, 2 or 3 moieties selected from the group consisting of halogen, C1-6 alkoxy, C1-6 alkyl, CF3, hydroxy, or phenyl (which may be optionally substituted by one or more C1-3 alkyl, -OC1-3 alkyl, CN, acetyl, hydroxy, halogen or CF3).

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