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19835-87-1

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19835-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19835-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,3 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19835-87:
(7*1)+(6*9)+(5*8)+(4*3)+(3*5)+(2*8)+(1*7)=151
151 % 10 = 1
So 19835-87-1 is a valid CAS Registry Number.

19835-87-1Relevant articles and documents

Synthesis and 13C NMR spectra of N-substituted p-quinonimines: III. N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines with enhanced electron-donor character of quinoid ring

Pirozhenko,Avdeenko,Yusina,Konovalova

, p. 1121 - 1128 (2007/10/03)

Incorporation of alkyl substituents into quinonimine fragments of N-arylthio- and N-arylsulfonyl-1,4-benzoquinonimines results in virtually equal changes in the chemical shifts of the carbon atoms from this fragment compared to those of unsubstituted and

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