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81336-56-3

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81336-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81336-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,3 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81336-56:
(7*8)+(6*1)+(5*3)+(4*3)+(3*6)+(2*5)+(1*6)=123
123 % 10 = 3
So 81336-56-3 is a valid CAS Registry Number.

81336-56-3Relevant articles and documents

A novel reaction of benzoyl chloride adduct of aromatic N-oxide with carbonitrile via a carbene intermediate

Tagawa, Yoshinobu,Tanaka, Jun'ichi,Hama, Kazuya,Goto, Yoshinobu,Hamana, Masatomo

, p. 69 - 72 (1996)

A carbene intermediate is proposed as a reactive species in the base-induced reaction of benzoyl chloride adducts of pyridine and quinoline N-oxides with carbonitriles to give 2-pyridyl- and 2-quinolyl diacylamine as main products.

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