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153681-99-3

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153681-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153681-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,6,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 153681-99:
(8*1)+(7*5)+(6*3)+(5*6)+(4*8)+(3*1)+(2*9)+(1*9)=153
153 % 10 = 3
So 153681-99-3 is a valid CAS Registry Number.

153681-99-3Relevant articles and documents

Rapid access to trans-2,6-disubstituted piperidines: Expedient total syntheses of (-)-solenopsin A and (+)-epi-dihydropinidine

Dobbs, Adrian P.,Guesné, Sebastien J. J.

, p. 2101 - 2103 (2007/10/03)

Expedient syntheses of (-)-solenopsin A and (+)-epi-dihydropinidine are reported, the key step in both being the one-pot multicomponent aza-silyl-Prins condensation reaction to yield a trans dihydropyridine. Georg Thieme Verlag Stuttgart.

Preparation of enantioenriched tetrahydropyridines by iminium ion-vinylsilane cyclizations

Castro,Overman,Zhang,Mariano

, p. 5243 - 5246 (2007/10/02)

Tetrahydropyridines can be prepared from (S)-amino acids in high enantiomeric purity as outlined in equation 1.

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