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87221-71-4

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87221-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87221-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,2 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87221-71:
(7*8)+(6*7)+(5*2)+(4*2)+(3*1)+(2*7)+(1*1)=134
134 % 10 = 4
So 87221-71-4 is a valid CAS Registry Number.

87221-71-4Downstream Products

87221-71-4Relevant articles and documents

UNEQUIVOCAL SYNTHESIS OF PHENACYLIDENEANILINE FROM SILYL ENOL ETHERS AND NITROSOBENZENE AND ONE-POT CYCLOADDITION REACTIONS OF THE RELATED ANILS

Sasaki, Tadashi,Ishibashi, Yukio,Ohno, Masatomi

, p. 863 - 866 (2007/10/02)

Phenacylideneaniline was formed by Et3N-catalyzed elimination reaction of the hydroxylamine obtained from silyl enol ether 5a and nitrosobenzene (6).By this method, one-pot procedure was possible for cycloaddition reactions of the related anils.From these

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