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33652-67-4

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33652-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33652-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,5 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33652-67:
(7*3)+(6*3)+(5*6)+(4*5)+(3*2)+(2*6)+(1*7)=114
114 % 10 = 4
So 33652-67-4 is a valid CAS Registry Number.

33652-67-4Relevant articles and documents

Reaction of dibenzylphosphine oxide with α,β-unsaturated O-methyloximes

Kolesnik,Tkachev

, p. 624 - 629 (2007/10/03)

The reaction of dibenzylphosphine oxide with O-methyloximes of some α,β-unsaturated ketones results in the phosphorylation at the β-carbon atom to form methoxyiminophosphine oxides, whereas the reaction of dibenzylphosphine oxide with O-methyloximes of α,β-unsaturated aldehydes affords aminodihydrophosphole oxides.

Unsaturated oximes, XXII: 2-Alkoximino-4-phenylbutenes

Unterhalt,Koehler

, p. 746 - 751 (2007/10/06)

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