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405906-76-5

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405906-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 405906-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,9,0 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 405906-76:
(8*4)+(7*0)+(6*5)+(5*9)+(4*0)+(3*6)+(2*7)+(1*6)=145
145 % 10 = 5
So 405906-76-5 is a valid CAS Registry Number.

405906-76-5Relevant articles and documents

Total synthesis of nominal diazonamides - Part 1: Convergent preparation of the structure proposed for (-)-diazonamide A

Li, Jing,Jeong, Susan,Esser, Lothar,Harran, Patrick G.

, p. 4765 - 4770 (2007/10/03)

Unable to bear the weight of scrutiny, the original structure proposed for (-)diazonamide A (1) must be revised. A convergent, stereocontrolled total synthesis provided 1, which shows altered physical and spectroscopic characteristics relative to those of

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