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2,6-Anhydro-3-deoxy-D-manno-heptitol 1,4,5,7-tetraacetate is a complex organic compound with the molecular formula C15H20O9. It is a derivative of a heptitol, which is a seven-carbon sugar alcohol. The compound is characterized by the absence of two hydroxyl groups (anhydro) at the 2nd and 6th carbon positions, and the presence of a deoxy group at the 3rd carbon, indicating the removal of one oxygen atom. The 1,4,5,7-tetraacetate part of the name indicates that four acetate groups are attached to the molecule, specifically at the 1st, 4th, 5th, and 7th carbon positions. 2,6-Anhydro-3-deoxy-D-manno-heptitol 1,4,5,7-tetraacetate is often used in chemical synthesis and as a building block for more complex molecules, particularly in the field of carbohydrate chemistry.

3685-91-4

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3685-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3685-91-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,8 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3685-91:
(6*3)+(5*6)+(4*8)+(3*5)+(2*9)+(1*1)=114
114 % 10 = 4
So 3685-91-4 is a valid CAS Registry Number.

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