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442550-08-5

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442550-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442550-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,5,5 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 442550-08:
(8*4)+(7*4)+(6*2)+(5*5)+(4*5)+(3*0)+(2*0)+(1*8)=125
125 % 10 = 5
So 442550-08-5 is a valid CAS Registry Number.

442550-08-5Downstream Products

442550-08-5Relevant articles and documents

Efficient and stereoselective synthesis of bicyclo[3.2.1]octan-8-ones: Synthesis and palladium-catalyzed isomerization of functionalized 2-vinyl-2,3,3a,4,5,6-hexahydro-2,3-benzofurans

Langer, Peter,Holtz, Edith,Saleh, Nehad N. R.

, p. 917 - 928 (2007/10/03)

A new C,O-cyclodialkylation of dilithiated cyclic β-keto esters and β-keto sulfones with 1,4-dibromo-2-butene is reported which results in regio- and diastereoselective formation of 2-vinyl-2,3,3a,4,5,6-hexahydro-2,3-benzofurans. The products could be eff

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