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213909-35-4

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213909-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213909-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,9,0 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 213909-35:
(8*2)+(7*1)+(6*3)+(5*9)+(4*0)+(3*9)+(2*3)+(1*5)=124
124 % 10 = 4
So 213909-35-4 is a valid CAS Registry Number.

213909-35-4Relevant articles and documents

Asymmetric synthesis of functionalized piperidine derivatives: Synthesis of (S)-anatabine

Balasubramanian, Thiagarajan,Hassner, Alfred

, p. 2201 - 2205 (2007/10/03)

A short and efficient chiral synthesis of 6-aryl-5-phenylsulfonyl- l,2,5,6-tetrahydropyridines was achieved in moderate yield and with good selectivity. The absolute configurations were assigned by extending the methodology to (S)-anatabine and as well with NMR experiments.

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