1,2-O-Isopropylidene-3-O-methyl-α-D-xylopentodialdofuranose-(1,4)

1,2-O-异亚丙基-3-O-甲基-α-D-木五二呋喃醛糖-(1,4)

Also known as: (3aR,5S,6S,6aR)-6-methoxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde, (3aR,3aα,6aα)-2,2-Dimethyl-6α-methoxytetrahydrofuro[2,3-d]-1,3-dioxole-5α-carbaldehyde, (3aR,5S,6S,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,2-d][1,3]dioxole-5-carbaldehyde, (3aR,5S,6S,6aR)-tetrahydro-6-methoxy-2,2-dimethylfuro[2,3-d][1,3]dioxol-5-carbaldehyde, 1,2-O-ISOPROPYLIDENE-3-O-METHYL-ALPHA-D, 1,2-O-(isopropylidene)-3-O-methyl-alpha-D-xylo-pentodialdo-1,4-furanose, 1,2-O-Isopropylidene-3-O-methyl-α-D-xylopentodialdofuranose-(1,4), EINECS 256-114-8, MFCD00042763

1,2-O-Isopropylidene-3-O-methyl-α-D-xylopentodialdofuranose-(1,4) (CAS 43138-66-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14O5 and a molecular weight of 202.20400 g/mol. It is also known as (3aR,5S,6S,6aR)-6-methoxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde, (3aR,3aα,6aα)-2,2-Dimethyl-6α-methoxytetrahydrofuro[2,3-d]-1,3-dioxole-5α-carbaldehyde and (3aR,5S,6S,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,2-d][1,3]dioxole-5-carbaldehyde. Key properties include a boiling point of 264.9ºC at 760mmHg, a density of 1.22g/cm3 and a flash point of 112.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

43138-66-5

Jingsj CID

J-27604-9

Molecular Formula

C₉H₁₄O₅

Chinese Name

1,2-O-异亚丙基-3-O-甲基-α-D-木五二呋喃醛糖-(1,4)

Molecular Weight

202.20400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026