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128806-72-4

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128806-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128806-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128806-72:
(8*1)+(7*2)+(6*8)+(5*8)+(4*0)+(3*6)+(2*7)+(1*2)=144
144 % 10 = 4
So 128806-72-4 is a valid CAS Registry Number.

128806-72-4Downstream Products

128806-72-4Relevant articles and documents

SYNTHESIS OF BACTERIAL C50 CAROTENOID SARCINAXANTHIN.

Ferezou, J. P.,Julia, M.

, p. 475 - 486 (2007/10/02)

Alkylation of the distal double bond of geranyl acetate 8 with isoprene epoxide 5 has been carried out under anhydrous ZnCl2/nitromethane conditions to give a mixture of C15 hydroxyprenylated compounds.The major diol acetate isomer 12 was dehydrated to the expected γ-cis synthon 17 which was converted into racemic sarcinaxanthin 3 in few steps through the corresponding sulfone 21.

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