Trans- (+) -Chrysanthemic Acid CAS 4638-92-0

(1R,3R)-2, 2-dimethyl-3 -(2-methylprop-1-ene-1-yl) cyclopropane-1-carboxylic acid is an organic compound also known as (R,R) -me-CPA.
Nature:
(R,R) -Me-CPA is a solid compound. It has a colorless to light yellow appearance and has a distinctive odor. The compound is soluble in organic solvents such as ethanol and dichloromethane.

1. (R,R) -Me-CPA is mainly used as a catalyst in chiral synthesis, especially in asymmetric nucleophilic addition reactions and asymmetric oxidation reactions.
2. It is an important intermediate for the synthesis of chiral insecticides with high efficiency, low toxicity and beneficial to environmental protection. Like permethrin, allethrin, proparthrin.
3. Organic synthetic raw materials, used for the synthesis of photocuring agent 184, anti-pregnancy drug 392 and the treatment of vampire insect disease drug praziquantel.
Preparation:
The preparation method of (R,R) -Me-CPA is generally obtained by photooxidation and silver catalyzed reaction. The specific steps may include the addition of carbon dioxide, the dissolution of substrates and the addition of reactants.
Safety information:
(R,R) -Me-CPA currently has no clear risk record. Proper laboratory practices must be followed when using chemicals, including wearing appropriate personal protective equipment such as gloves and safety glasses, and avoiding inhalation, ingestion, or skin contact. In case of contact with the substance, flush immediately with plenty of water and seek medical assistance. When storing and handling this compound, follow the relevant safe operating procedures.

Manana orinasa avo lenta maro miaraka amin'ny fiaraha-miasa lalina, izay afaka manome anao vokatra avo lenta sy ny vidiny mifaninana. Ary afaka manome fihenam-bidy ho an'ny fividianana betsaka ihany koa izahay.Ary miara-miasa amin'ny orinasa mpitatitra entana matihanina maro izahay, afaka manatitra vokatra soa aman-tsara sy milamina amin'ny tananao. Delivery fotoana dia tokony ho 3-20 andro aorian'ny fanamafisana ny fandoavam-bola.

1. Orinasa ve ianao sa orinasa mpivarotra?
Izahay dia compnay mampiditra ny indostria sy ny varotra, manome serivisy tokana. Azo ekena ny OEM.

2. Manome santionany ve ianao? Maimaimpoana ve sa fanampiny?
Santionany maimaim-poana.Ny sandan'ny entana santionany dia mila aloa eo anilanao.

3. Manana taratasy fanamarinana mifandraika amin'ny fanaraha-maso kalitao ve ianao?
ISO 9001: 2008 fanamarinana mba hiantohana ny kalitao.

4. Inona no tokony homeko mba hahazoana teny nindramina?
Pls ampahafantaro anay ny karazana vokatra ilainao, ny habetsaky ny baiko, ny adiresy ary ny fepetra takiana manokana.

5. Inona no fomba fandoavam-bola tianao? Karazana fepetra inona no ekena?
Fepetra fanaterana ekena: FOB, CFR, CIF, EXW;
Accepted Payment Currency:USD;EUR
Karazana fandoavam-bola ekena: T / T, Western Union; Paypal, Trade Assurance.
Fiteny ampiasaina: Anglisy.