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1429644-98-3

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1429644-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429644-98-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,6,4 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1429644-98:
(9*1)+(8*4)+(7*2)+(6*9)+(5*6)+(4*4)+(3*4)+(2*9)+(1*8)=193
193 % 10 = 3
So 1429644-98-3 is a valid CAS Registry Number.

1429644-98-3Downstream Products

1429644-98-3Relevant articles and documents

Facile ring cleavage of basic azetidines

Xiao, Jun,Wright, Stephen W.

, p. 2502 - 2505 (2013/06/05)

Azetidines containing a basic ring nitrogen atom have been shown to undergo facile ring cleavage to afford 3-halo-1-amino propane derivatives upon exposure to alkyl bromides and acyl chlorides under certain conditions. The rate of ring cleavage appears to be determined largely by the rate at which quaternization of the azetidine nitrogen atom occurs. Alkylation of NH azetidines to afford N-alkyl azetidines can be carried out in synthetically useful yields if reaction times are kept short. As the free base, azetidines may undergo spontaneous oligomerization with concomitant ring cleavage.

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