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Trimethylsilanyl-acetic acid butyl ester, also known as (trimethylsilyl)acetic acid butyl ester, is an organosilicon compound with the chemical formula C9H20O2Si. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 192.34 g/mol. This ester is synthesized by the reaction of trimethylsilanyl-acetic acid with butanol in the presence of a catalyst. It is primarily used as a protecting group in organic synthesis, particularly in the protection of carboxylic acids, and as an intermediate in the preparation of other organosilicon compounds. Due to its stability and reactivity, it plays a significant role in various chemical reactions and applications in the pharmaceutical and chemical industries.

4071-89-0

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4071-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4071-89-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,7 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4071-89:
(6*4)+(5*0)+(4*7)+(3*1)+(2*8)+(1*9)=80
80 % 10 = 0
So 4071-89-0 is a valid CAS Registry Number.

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