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"2,4,8,10-tetraoxa-3,9-diphospha-spiro[5.5]undecane 3,9-disulfide" is a complex cyclic compound with a unique structure. It consists of a spiro[5.5]undecane backbone, which is a type of cyclic alkane with eleven carbon atoms. The compound is characterized by the presence of four oxygen atoms (tetraoxa) and two phosphorus atoms (diphospha), which are part of the ring structure. The 3,9-disulfide indicates that there are two sulfur atoms (sulfide) bridging the third and ninth carbon atoms in the ring. 2,4,8,10-tetraoxa-3,9-diphospha-spiro[5.5]undecane 3,9-disulfide is known for its interesting chemical properties and potential applications in various fields, such as in the synthesis of other complex molecules or as a component in specialized materials. Its unique structure and composition make it a subject of interest for researchers in organic chemistry and materials science.

4089-77-4

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4089-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4089-77-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4089-77:
(6*4)+(5*0)+(4*8)+(3*9)+(2*7)+(1*7)=104
104 % 10 = 4
So 4089-77-4 is a valid CAS Registry Number.

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