((2R,3R,5R)-3-(Benzoyloxy)-4,4-difluoro-5-((methylsulfonyl)oxy)tetrahydrofuran-2-yl)methyl benzoate

2-脱氧-2,2-二氟-D-呋喃核糖基-3,5-二苯甲酰基-1-甲磺酸酯(β型)

Also known as: 3,5-Bis(benzoyl)-1-methanesulfonyloxy-2-deoxy-2,2-difluororibose, 3,5-Bis(benzoyl)-1-methanesulfonyloxy-2-deoxy-2,2-difluororibose (β-form), 3,5-Di-O-benzoyl-2-deoxy-2,2-difluoro-1-O-(methylsulfonyl)-D-erythro-pentofuranose, 3,5-Di-O-benzoyl-2-deoxy-2,2-difluoro-1-O-methanesulfonyl-D-ribofuranose, 2-Deoxy-2,2-difluoro-D-erythro-pentofuranose-3,5-dibenzoate-1-methanesulfonate, β-D-erythro-Pentofuranose, 2-deoxy-2,2-difluoro-, 3,5-dibenzoate 1-methanesulfonate, ((2R,3R,5R)-3-(Benzoyloxy)-4,4-difluoro-5-((methylsulfonyl)oxy)tetrahydrofuran-2-yl)methyl benzoate, ((2R,3R,5R)-3-(Benzoyloxy)-4,4-difluoro-5-((methyl-sulfonyl)oxy)tetrahydrofuran-2-yl)methyl benzoate, D-erythro-Pentofuranose, 2-deoxy-2,2-difluoro-, 3,5-dibenzoate 1-methanesulfonate, Gemcitabine Impurity 4, Gemcitabine Impurity 5

((2R,3R,5R)-3-(Benzoyloxy)-4,4-difluoro-5-((methylsulfonyl)oxy)tetrahydrofuran-2-yl)methyl benzoate (CAS 134877-43-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H18F2O8S and a molecular weight of 456.414 g/mol. It is also known as 3,5-Bis(benzoyl)-1-methanesulfonyloxy-2-deoxy-2,2-difluororibose, 3,5-Bis(benzoyl)-1-methanesulfonyloxy-2-deoxy-2,2-difluororibose (β-form) and 3,5-Di-O-benzoyl-2-deoxy-2,2-difluoro-1-O-(methylsulfonyl)-D-erythro-pentofuranose. Key properties include a boiling point of 588.4±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 309.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

134877-43-3

Jingsj CID

J-888091-4

Molecular Formula

C₂₀H₁₈F₂O₈S

Chinese Name

2-脱氧-2,2-二氟-D-呋喃核糖基-3,5-二苯甲酰基-1-甲磺酸酯(β型)

Molecular Weight

456.414 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026