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678163-49-0

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678163-49-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 678163-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,8,1,6 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 678163-49:
(8*6)+(7*7)+(6*8)+(5*1)+(4*6)+(3*3)+(2*4)+(1*9)=200
200 % 10 = 0
So 678163-49-0 is a valid CAS Registry Number.

678163-49-0Relevant articles and documents

Synthesis of the putative structures of homopumiliotoxins 235C and 233F

Armstrong, Paul,Feutren, Stephanie,McAlonan, Helena,O'Mahony, Gavin,Stevenson, Paul J.

, p. 1627 - 1630 (2007/10/03)

A novel approach to diene based quinolizidines, using an intramolecular Heck reaction in which the vinyl bromide double bond undergoes inversion of configuration, is reported. These quinolizidines have previously been proposed as tentative structures for homopumiliotoxin alkaloids 233F and 235C. The mass spectral data of the synthetic materials were different to those of the natural products confirming that the original structures need to be revised.

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