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1-(3,4-diacetoxy-5-methoxy-phenyl)-2-diazo-ethanone is a complex organic compound with the molecular formula C12H11O6. It is characterized by a phenyl ring with a diazo group attached to the ethanone (keto) group. The phenyl ring has three substituents: two acetoxy groups at the 3 and 4 positions, and a methoxy group at the 5 position. 1-(3,4-diacetoxy-5-methoxy-phenyl)-2-diazo-ethanone is of interest in organic chemistry due to its potential applications in the synthesis of various pharmaceuticals and other organic compounds. Its structure allows for a range of chemical reactions, including those involving the diazo group, which can participate in coupling reactions, and the acetoxy and methoxy groups, which can be involved in esterification and deprotection processes. The compound's reactivity and functional group diversity make it a valuable intermediate in the preparation of more complex molecules.

2989-08-4

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2989-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2989-08-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,8 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2989-08:
(6*2)+(5*9)+(4*8)+(3*9)+(2*0)+(1*8)=124
124 % 10 = 4
So 2989-08-4 is a valid CAS Registry Number.
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