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219781-97-2

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219781-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219781-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,8 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219781-97:
(8*2)+(7*1)+(6*9)+(5*7)+(4*8)+(3*1)+(2*9)+(1*7)=172
172 % 10 = 2
So 219781-97-2 is a valid CAS Registry Number.

219781-97-2Relevant articles and documents

Novel synthesis of a new skeletal compound benzonaphthazepine by regioselective C-H activation utilizing the intramolecular coordination of an amine to Pd

Harayama, Takashi,Sato, Tomonori,Hori, Akihiro,Abe, Hitoshi,Takeuchi, Yasuo

, p. 1446 - 1456 (2007/10/03)

The novel synthesis of a new skeletal compound, benzonaphthazepine, from N-bromobenzylnaphthylamine using a Pd reagent is described. In the biaryl coupling reaction of N-bromobenzylnaphthylamine using a Pd reagent, the intramolecular coordination of the b

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