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4-Carboxy-phenylhydrazon-bis-phenylsulfonyl-formaldehyd, also known as 4-CPHBPSF, is a complex organic compound with the chemical formula C21H18N2O6S2. It is characterized by a 4-carboxyphenylhydrazone moiety, which is attached to a bis-phenylsulfonyl-formaldehyd group. 4-Carboxy-phenylhydrazon-bis-phenylsulfonyl-formaldehyd is of interest in chemical research due to its unique structure and potential applications in the synthesis of other complex molecules. It is typically synthesized through a multi-step process involving the reaction of 4-formylbenzoic acid with phenylhydrazine and subsequent sulfonylation with phenylsulfonyl chloride. The compound's properties, such as its solubility and reactivity, can be influenced by the presence of the carboxylic acid and sulfonyl groups, making it a versatile building block in organic synthesis.

6652-57-9

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6652-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6652-57-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,5 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6652-57:
(6*6)+(5*6)+(4*5)+(3*2)+(2*5)+(1*7)=109
109 % 10 = 9
So 6652-57-9 is a valid CAS Registry Number.

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