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342418-56-8

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342418-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 342418-56-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,1 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 342418-56:
(8*3)+(7*4)+(6*2)+(5*4)+(4*1)+(3*8)+(2*5)+(1*6)=128
128 % 10 = 8
So 342418-56-8 is a valid CAS Registry Number.

342418-56-8Relevant articles and documents

Stereoselective double ring closing metathesis reactions in the synthesis of spirocyclic compounds

Wallace,Bulger,Kennedy,Ashwood,Cottrell,Dolling

, p. 357 - 360 (2007/10/03)

The double ring closing metathesis reaction of α-hydroxyester derived tetraenes 4 proceed to give spirocyclic dihydropyrans in excellent yield and with good selectivity. The first examples of diastereoselective double RCM reactions to give medium ring spi

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