The CAS Registry Mumber 123186-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,8 and 6 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 123186-90: (8*1)+(7*2)+(6*3)+(5*1)+(4*8)+(3*6)+(2*9)+(1*0)=113 113 % 10 = 3 So 123186-90-3 is a valid CAS Registry Number.
Pd-Catalyzed Synthesis of Macrocycles. A Total Synthesis of (-)-Aspochalasin B
Trost, Barry M.,Ohmori, Masayuki,Boyd, Steven A.,Okawara, Hideki,Brickner, Steven J.
, p. 8281 - 8284 (2007/10/02)
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