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87803-41-6

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87803-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87803-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,0 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87803-41:
(7*8)+(6*7)+(5*8)+(4*0)+(3*3)+(2*4)+(1*1)=156
156 % 10 = 6
So 87803-41-6 is a valid CAS Registry Number.

87803-41-6Relevant articles and documents

Conversions of N-Vinylpyridinium Cations into Tricyclic Cage Compounds

Katritzky, Alan R.,Rubio, Olga

, p. 448 - 454 (2007/10/02)

1-Allyl-2,4,6-trimethyl- and 1-allyl-2,4,6-triphenylpyridinium cations are isomerized by mild alkali into the corresponding 1-propenylpyridinium cations.Strong base converts the latter and 1-vinyl-2,4,6-triphenylpyridinium cation salts into oxazatricyclononene isomers of the quaternary hydroxides.The elucidation of the structure and further transformations of the cage compounds are described.

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