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344303-15-7

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344303-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344303-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 344303-15:
(8*3)+(7*4)+(6*4)+(5*3)+(4*0)+(3*3)+(2*1)+(1*5)=107
107 % 10 = 7
So 344303-15-7 is a valid CAS Registry Number.

344303-15-7Relevant articles and documents

Total Synthesis of Wedelolactone

Li, Chuang Chuang,Xie, Zhi Xiang,Zhang, Yan Dong,Chen, Jia Hua,Yang, Zhen

, p. 8500 - 8504 (2007/10/03)

The total synthesis of wedelolactone, a naturally occurring direct inhibitor of IKK complex that can suppress LPS-induced caspase-11 expression, using a convergent synthetic approach, is described. The key steps involved in this synthesis include the palladium-catalyzed Sonogashira reaction and the palladium-catalyzed carbonylative annulation reaction. This approach allows access to diversified analogues of wedelolactone.

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