Triphenylarsinmethylen-trifluorboran, also known as triphenylarsine-trifluoroborane, is a chemical compound with the formula (C6H5)3As-CH=BF3. It is a colorless, crystalline solid that is highly sensitive to moisture and air. Triphenylarsinmethylen-trifluorboran is formed by the reaction of triphenylarsine (AsPh3) with trifluoroborane (BF3), resulting in the formation of a stable complex. Triphenylarsinmethylen-trifluorboran is used as a Lewis acid catalyst in various organic synthesis reactions, particularly in the formation of carbon-carbon bonds. Due to its sensitivity, it must be handled with care and stored under an inert atmosphere to prevent decomposition.
The CAS Registry Mumber 1650-37-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 0 respectively; the second part has 2 digits, 3 and 7 respectively. Calculate Digit Verification of CAS Registry Number 1650-37: (6*1)+(5*6)+(4*5)+(3*0)+(2*3)+(1*7)=69 69 % 10 = 9 So 1650-37-9 is a valid CAS Registry Number.
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