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3'-Chlor-4',5',6'-trihydroxy-3-benzolsulfonyl-6,7-benzo-tropolon is a complex organic compound with the molecular formula C20H13ClO8S. It is characterized by a benzo-tropolone core, which is a type of polycyclic aromatic compound, with a chlorine atom at the 3' position, and three hydroxyl groups at the 4', 5', and 6' positions. Additionally, it features a benzene sulfonamide group attached to the 3-position. 3'-Chlor-4',5',6'-trihydroxy-3-benzolsulfonyl-6,7-benzo-tropolon is known for its potential applications in the synthesis of various pharmaceuticals and chemical intermediates due to its unique structure and reactivity. The presence of the chlorine atom and the benzene sulfonamide group can influence its chemical properties, making it a subject of interest in organic chemistry research.

4043-14-5

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4043-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4043-14-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,4 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4043-14:
(6*4)+(5*0)+(4*4)+(3*3)+(2*1)+(1*4)=55
55 % 10 = 5
So 4043-14-5 is a valid CAS Registry Number.
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