(3aS, 4S, 6aR)-4-methoxy-tetrahydrofuro [3,4-b] furan-2(3H)-one,Darunavir intermediate, 866594-60-7

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5 Kilogram	Negotiable

5 Kilogram

Negotiable

Darunavir intermediate 866594-60-7 866594-60-7 (3aS 4S 6aR)-4-methoxy-tetrahydrofuro [3 4-b] furan-2(3H)-one

Our advantage (3aS 4S 6aR)-4-methoxy-tetrahydrofuro [3 4-b] furan-2(3H)-one --we provide high quality 99% and competitive price.

(1) 28 year experience in pharmaceutical industry

(2)ISO9001:2008 certificated company

(3)Fischer Chemicals AG China office

Basic information (3aS 4S 6aR)-4-methoxy-tetrahydrofuro [3 4-b] furan-2(3H)-one

1. CAS No.: 866594-60-7
2. Quality: 99% up
3. Document: ISO

1. Specifiction of Darunavir intermediate 866594-60-7

Items	Specifications	Results
Appearance	White to off white or beige powder, may contain lumps	White powder
Identification	IR spectra of sample exhibit similar with standard spectra	Conforms
Identification	The retention time of the major peak in the chromatogram of the sample preparation corresponds to that of the standard preparation obtained as directed in the Chromatographic Purity by GC	Conforms
Water content by KF	≤0.20%	0.05%
Residue on ignition	≤0.20%	0.15%
Chromatographic purity (By GC)
α-epimer	≤0.5%	N.D
Any other individual impurity	≤0.5%	0.12%
Purity	≥99.0%	99.80%
Conclusion	It conforms to the above specification