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688349-15-7

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688349-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 688349-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,8,3,4 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 688349-15:
(8*6)+(7*8)+(6*8)+(5*3)+(4*4)+(3*9)+(2*1)+(1*5)=217
217 % 10 = 7
So 688349-15-7 is a valid CAS Registry Number.

688349-15-7Relevant articles and documents

HIV protease inhibitors part 2: [3+2] Cycloaddition, isomerization; and ring expansion en route to 4,5-substituted cyclohexenones

Demont, Emmanuel,Eatherton, Andrew,Frampton, Christopher S.,Kahn, Irfan,Redshaw, Sally

, p. 684 - 687 (2007/10/03)

4,5-Substituted cyclohexanone 10 and its derivatives are carbocyclic analogues of Indinavir 3 and are expected to have antiviral activity. Early attempts to obtain these compounds via a diastereoselective [3+2] cycloaddition between 19 and 14 failed due t

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