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94191-32-9

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94191-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94191-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,9 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94191-32:
(7*9)+(6*4)+(5*1)+(4*9)+(3*1)+(2*3)+(1*2)=139
139 % 10 = 9
So 94191-32-9 is a valid CAS Registry Number.

94191-32-9Relevant articles and documents

Formation and Decomposition of 1,2,3-Triazolines Prepared from Diphenyl Phosphorazidate (DPPA) and Enamines of Diaryl-Type Ketones

Kato, Nobuharu,Hamada, Yasumasa,Shioiri, Takayuki

, p. 2496 - 2502 (2007/10/02)

The pyrrolidine enamine 1 of deoxybenzoin reacted with diphenyl phosphorazidate (DPPA, (C6H5O)2P(O)N3) to give two amidines, the 1,2-migration product 7a and the 1,3-dipolar elimination product 8a in a ratio of 77:23.The reaction of DPPA with the enamine

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