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222168-69-6

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222168-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222168-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,1,6 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 222168-69:
(8*2)+(7*2)+(6*2)+(5*1)+(4*6)+(3*8)+(2*6)+(1*9)=116
116 % 10 = 6
So 222168-69-6 is a valid CAS Registry Number.

222168-69-6Downstream Products

222168-69-6Relevant articles and documents

General synthetic method for naphthyridines and their N-oxides containing isoquinolinic nitrogen

Numata, Atsushi,Kondo, Yoshinori,Sakamoto, Takao

, p. 306 - 311 (2007/10/03)

Substituted naphthyridines containing isoquinolinic nitrogen were synthesized by the reaction of o-ethynylpyridinecarbaldehydes with ammonia. The synthesis of their N-oxides was also achieved by a basic cyclization reaction of the same pyridine derivatives via the corresponding oximes.

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