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(R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride

Also known as: Mosher's acid anhydride, (R,R)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride, (+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic anhydride, (2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl (2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate, Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, anhydride, (αR,α'R)-, Methoxytrifluoromethylphenylacetic anhydride

(R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride (CAS 85541-57-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H16F6O5 and a molecular weight of 450.33100 g/mol. Key property: a melting point of 48ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
85541-57-7
Jingsj CID
J-24666-2
Molecular Formula
C20H16F6O5
Molecular Weight
450.33100 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Melting Point48ºC
Exact Mass422.05900
PSA83.83000
LogP2.95640
Refractive Index77.5 ° (C=2, CHCl3)

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride?

The CAS number of (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride is 85541-57-7.

What are the molecular formula and molecular weight of (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride?

(R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride has molecular formula C20H16F6O5 and molecular weight 450.33100 g/mol.

What are the upstream and downstream products of (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride?

For (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride, Upstream Products: (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic anhydride (CAS 85541-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24666-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.