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107933-55-1

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107933-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107933-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,3 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 107933-55:
(8*1)+(7*0)+(6*7)+(5*9)+(4*3)+(3*3)+(2*5)+(1*5)=131
131 % 10 = 1
So 107933-55-1 is a valid CAS Registry Number.

107933-55-1Downstream Products

107933-55-1Relevant articles and documents

SYNTHESIS OF FUNCTIONALLY SUBSTITUTED N-VINYLTETRAZOLES

Vereshchagin, L. I.,Buzilova, S. R.,Mityukova, T. K.,Proidakov, A. G.,Kizhnyaev, V. N.,et al.

, p. 1777 - 1783 (2007/10/02)

5-Alkyl- and 5-aryl-N-vinyltetrazoles (II) are formed during vinyl exchange between 5-substituted tetrazoles (I) and vinyl acetate in the presence of the copper acetate-boron trifluoride etherate catalytic system.The direction of vinylation depends on steric effects and on the electronic nature of the substituents at position 5 of the tetrazole ring.A series of functionally substituted 2-vinyltetrazoles were obtained by nucleophilic substitution of the chlorine in 2-vinyl-5-chloromethyltetrazole.

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