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1606993-67-2

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1606993-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1606993-67-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,6,9,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1606993-67:
(9*1)+(8*6)+(7*0)+(6*6)+(5*9)+(4*9)+(3*3)+(2*6)+(1*7)=202
202 % 10 = 2
So 1606993-67-2 is a valid CAS Registry Number.

1606993-67-2Relevant articles and documents

Acid-mediated ring-expansion reaction of N-aryl-2-vinylazetidines: Synthesis and unanticipated reactivity of tetrahydrobenzazocines

Shimizu, Tomoaki,Koya, Shunsuke,Yamasaki, Ryu,Mutoh, Yuichiro,Azumaya, Isao,Katagiri, Kosuke,Saito, Shinichi

, p. 4367 - 4377 (2014/06/09)

The aza-Clasen rearrangement of N-aryl-2-vinylazetidines has been explored. N-Aryl-2-vinylazetidines were transformed to corresponding tetrahydrobenzazocines in good yields. Unexpectedly, the tetrahydrobenzazocine was unstable and readily isomerized to vi

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