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335321-15-8

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335321-15-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 335321-15-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,3,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 335321-15:
(8*3)+(7*3)+(6*5)+(5*3)+(4*2)+(3*1)+(2*1)+(1*5)=108
108 % 10 = 8
So 335321-15-8 is a valid CAS Registry Number.

335321-15-8Relevant articles and documents

Enantioselective synthesis of 2-substituted-N-Boc-Δ-4,5-piperidines

Agami, Claude,Couty, Francois,Evano, Gwilherm

, p. 4639 - 4643 (2000)

The title compounds were prepared through a synthetic sequence involving: (i) a reaction of the condensation product between an enantiopure β-amino alcohol and an aldehyde with allylmagnesium chloride; (ii) an N-allylation of the resulting secondary amine; (iii) a chemoselective cleavage of the β-amino alcohol residue; and (iv) a protection of the secondary amine followed by a ring closing metathesis. The advantageous use of (1R,2S)-norephedrine was demonstrated in these syntheses.

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