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74671-91-3

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74671-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74671-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74671-91:
(7*7)+(6*4)+(5*6)+(4*7)+(3*1)+(2*9)+(1*1)=153
153 % 10 = 3
So 74671-91-3 is a valid CAS Registry Number.

74671-91-3Downstream Products

74671-91-3Relevant articles and documents

DIARYLHYDROXYMETHYLATION OF PYRIDINE N-OXIDE BY THE RADICAL ANIONS OF SOME AROMATIC KETONES

Kurbatova, A. S.,Kurbatov, Yu. V.,Dmitrieva, N. M.

, p. 567 - 570 (2007/10/02)

In the reaction of the ketyls 4-phenylbenzophenone and phenyl 1-naphthyl ketone with pyridine N-oxide phenyl-4'-biphenylyl-2-pyridylcarbinol N-oxide, phenyl-4'-biphenylyl-2-pyridylcarbinol, phenyl-1'-naphthyl-2-pyridylcarbinol, and dimerization products (bipyridyls) vere obtained.The ketyl of phenyl 5-acenaphthenyl ketone does not form condensation products.In contrast to pyridine, pyridine N-oxide does not enter into the Emmert reaction.

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