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142337-89-1

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142337-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142337-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142337-89:
(8*1)+(7*4)+(6*2)+(5*3)+(4*3)+(3*7)+(2*8)+(1*9)=121
121 % 10 = 1
So 142337-89-1 is a valid CAS Registry Number.

142337-89-1Downstream Products

142337-89-1Relevant articles and documents

73. Structure and Reactivity of Five- and Six-Ring N,N-,N,O-, and O,O-Acetals: A Lesson in Allylic 1,3-Strain (A1,3 Strain)

Seebach, Dieter,Lamatsch, Bernd,Amstutz, Rene,Beck, Albert K.,Dobler, Max,et al.

, p. 913 - 934 (1992)

The X-ray structures of fifteen 1,3-imidazolidine, 1,3-oxazolidine, 1,3-dioxan-4-one, and hydropyrimidine-4(1H)-one derivatives are described (Table 2) and compared with known structures of similar compounds (Figs. 1-20).The differences between structures

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