4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure is a complex organic compound with the molecular formula C21H24O4. It is a derivative of D-ribose, a naturally occurring sugar, with two hydroxyl groups (OH) at the 4th and 6th positions being replaced by benzyl groups, and another two hydroxyl groups at the 5th and 7th positions being replaced by a benzylidene group. The compound features a trans-2,3-dehydro-2,3-didesoxy-heptan structure, which means that it has a double bond between the 2nd and 3rd carbon atoms, and both hydroxyl groups at these positions are removed. 4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure is of interest in the field of organic chemistry and may have potential applications in the synthesis of various biologically active molecules and pharmaceuticals.

3673-20-9

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Basic information
1. Product Name: 4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure
2. Synonyms:
3. CAS NO:3673-20-9
4. Molecular Formula:
5. Molecular Weight: 368.386
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure(3673-20-9)
11. EPA Substance Registry System: 4,6;5,7-Di-O-benzyliden-D-ribo-trans-2,3-dehydro-2,3-didesoxy-heptansaeure(3673-20-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 3673-20-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3673-20-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3673-20:
(6*3)+(5*6)+(4*7)+(3*3)+(2*2)+(1*0)=89
89 % 10 = 9
So 3673-20-9 is a valid CAS Registry Number.

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