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153757-39-2

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153757-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153757-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,7,5 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 153757-39:
(8*1)+(7*5)+(6*3)+(5*7)+(4*5)+(3*7)+(2*3)+(1*9)=152
152 % 10 = 2
So 153757-39-2 is a valid CAS Registry Number.

153757-39-2Downstream Products

153757-39-2Relevant articles and documents

Cerium(III) chloride remarkably increases the rates of formation and yields of ketones in the reaction of lithium carboxylates with organolithiums

Ahn, Yoonmo,Cohen, Theodore

, p. 203 - 206 (1994)

The presence of CeCl3 greatly increases the yield of ketones in the reaction of organolithiums with lithium carboxylates. The CE(III) suppresses the enolization of the lithium carboxylate, previously unrecognized as a competing reaction except in special cases, and the formation of tertiary alcohols. One of the reasons for the latter effect is a surprising increase in the rate of addition of the organometallic to the lithium carboxylate in the presence of Ce(III).

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