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87287-61-4

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87287-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87287-61-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,8 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87287-61:
(7*8)+(6*7)+(5*2)+(4*8)+(3*7)+(2*6)+(1*1)=174
174 % 10 = 4
So 87287-61-4 is a valid CAS Registry Number.

87287-61-4Downstream Products

87287-61-4Relevant articles and documents

Reactions of α-Ketohydrozidoyl Halides with Some Heterocyclic Amines. Facile Synthesis of Arylazo Derivatives of Fused Heterocycles with a Bridgehead Nitrogen Atom

Abdelhamid, Abdou O.,Hassaneen, Hamdi M.,Shawali, Ahmad S.,Parkanyi, Cyril

, p. 639 - 644 (2007/10/02)

Arylazo derivatives of imidazothiazoles, imidazopyrazoles, imidazo-s-triazoles, imidazopyrimidines, and imidazopyridines were obtained in good yields from α-keto hydrazidoyl halides and 2-aminothiazole, 5-aminopyrazole, 5-aminotriazole, 2-aminopyrimidine, and 2-aminopyridine, respectively (cf.Tables I and II).The structures of the products were assigned and confirmed on the basis of their elemental analyses, spectra, and alternate synthesis wherever possible.

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