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890932-99-7

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890932-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890932-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,9,3 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 890932-99:
(8*8)+(7*9)+(6*0)+(5*9)+(4*3)+(3*2)+(2*9)+(1*9)=217
217 % 10 = 7
So 890932-99-7 is a valid CAS Registry Number.

890932-99-7Relevant articles and documents

Total synthesis of auripyrone A

Lister, Troy,Perkins, Michael V.

, p. 2560 - 2564 (2007/10/03)

(Chemical Equation Presented) A natural conclusion: An efficient, asymmetric synthesis of the cytotoxic marine polypropionate auripyrone A (1) was achieved from ketone 2 and aldehyde 3, and the absolute stereochemistry of the natural product was establish

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