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4-iodo-benzenesulfonic acid-anhydride is a chemical compound with the molecular formula C12H9IO5S. It is an anhydride derivative of 4-iodo-benzenesulfonic acid, which is formed by the removal of a water molecule from two molecules of the acid. 4-iodo-benzenesulfonic acid-anhydride is characterized by the presence of an iodine atom at the 4-position on the benzene ring and a sulfonic acid group attached to the benzene ring. It is a white to off-white crystalline solid and is soluble in water. 4-iodo-benzenesulfonic acid-anhydride is used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. It is also employed in the synthesis of dyes and other specialty chemicals. Due to its reactivity and potential hazards, it is important to handle 4-iodo-benzenesulfonic acid-anhydride with care, following appropriate safety protocols.

2828-64-0

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2828-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2828-64-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,2 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2828-64:
(6*2)+(5*8)+(4*2)+(3*8)+(2*6)+(1*4)=100
100 % 10 = 0
So 2828-64-0 is a valid CAS Registry Number.

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