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88222-39-3

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88222-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88222-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,2,2 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 88222-39:
(7*8)+(6*8)+(5*2)+(4*2)+(3*2)+(2*3)+(1*9)=143
143 % 10 = 3
So 88222-39-3 is a valid CAS Registry Number.

88222-39-3Downstream Products

88222-39-3Relevant articles and documents

Reaction of Enamines with Acetals or Trialkyl Orthoformates Activated by Lewis Acids

Takazawa, Osamu,Kogami, Kunio,Hayashi, Kazuo

, p. 1876 - 1881 (2007/10/02)

Enamines, prepared readily from various carbonyl compounds, react with acetals or trialkyl orthoformates in the presence of Lewis acids such as BF3.OEt2 to give corresponding β-alkoxy carbonyl compounds or α-dialkoxymethyl carbonyl compounds in good yields.The reaction of dienamines with acetals or trialkyl orthoformates also selectively gives corresponding β,χ-unsaturated α-(α-alkoxyalkyl) carbonyl compounds or β,χ-unsatureted α-dialkoxymethyl carbonyl compounds in good yields.

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