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130696-72-9

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130696-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130696-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,9 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130696-72:
(8*1)+(7*3)+(6*0)+(5*6)+(4*9)+(3*6)+(2*7)+(1*2)=129
129 % 10 = 9
So 130696-72-9 is a valid CAS Registry Number.

130696-72-9Relevant articles and documents

First Total Synthesis of (+/-)-Peridinin, (+/-)-Pyrrhoxanthin and the Optically Active Peridinin

Yamano, Yumiko,Ito, Masayoshi

, p. 1599 - 1610 (2007/10/02)

The first total synthesis of peridinin 1 and pyrrhoxanthin 2 has been accomplished via the reaction of the C15-epoxy formyl ester 21 with the C22-allenic sulfone 28 or the C22-acetylenic sulfone 39.A synthesis of the optically active peridinin has also be

Carotenoids and Related Compounds. Part 38. Synthesis of (3RS,3'RS)-Alloxanthin and Other Acetylenes

Davies, Anthony J.,Khare, Anakshi,Mallams, Alan K.,Massy-Westropp, Ralph A.,Moss, Gerard P.,Weedon, Basil C. L.

, p. 2147 - 2158 (2007/10/02)

The all-trans, 9-cis, and 9,9'-di-cis forms of (3RS,3'RS)-alloxanthin have been synthesized, also the 9-cis-isomer of (3RS,6'RS)-crocoxanthin.Perhydrogenation of alloxanthin gives a product with the same optical properties as perhydrozeaxanthin.These resu

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