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138058-42-1

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138058-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138058-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,5 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138058-42:
(8*1)+(7*3)+(6*8)+(5*0)+(4*5)+(3*8)+(2*4)+(1*2)=131
131 % 10 = 1
So 138058-42-1 is a valid CAS Registry Number.

138058-42-1Downstream Products

138058-42-1Relevant articles and documents

EFFECT OF THE BASICITIES OF AMINES ON THE MECHANISM OF THE KABACHNIK-FIELDS REACTION

Krutikov, V. I.,Lavrent'ev, A. N.,Sukhanovskaya, E. V.

, p. 1201 - 1204 (2007/10/02)

Depending on the basicities of the amines used in the Kabachnik-Fields reaction, different reaction mechanisms may be operative.In the case of amines with large pKa values the desired products are formed through 1-hydroxy phosphonates.Schiff bases are reaction intermediates when pKa 6.

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