9,10-dimethoxy-3,3-dimethyl-2,3-dihydro-1H-chromeno[3,4-b]pyrano[2,3-h]chromene-7,13-dione is a complex organic compound with a molecular formula of C21H20O6. It is a derivative of chromene, a heterocyclic compound containing a benzene ring fused to a pyran ring. The structure of 9,10-dimethoxy-3,3-dimethyl-2,3-dihydro-1H-chromeno[3,4-b]pyrano[2,3-h]chromene-7,13-dione features two methoxy groups at the 9 and 10 positions, two methyl groups at the 3 position, and a dihydro group at the 2 and 3 positions. Additionally, it has a pyrano[2,3-h]chromene ring system, which is a fused ring structure consisting of a pyran and a chromene. The compound also contains two carbonyl groups at the 7 and 13 positions, which contribute to its reactivity and potential applications in various chemical and pharmaceutical processes. Overall, 9,10-dimethoxy-3,3-dimethyl-2,3-dihydro-1H-chromeno[3,4-b]pyrano[2,3-h]chromene-7,13-dione is characterized by its intricate molecular structure and diverse functional groups, making it an interesting subject for further research and development in the field of organic chemistry.
The CAS Registry Mumber 4440-77-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 4440-77: (6*4)+(5*4)+(4*4)+(3*0)+(2*7)+(1*7)=81 81 % 10 = 1 So 4440-77-1 is a valid CAS Registry Number.
4440-77-1SDS
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According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition