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133019-87-1

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133019-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133019-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,1 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133019-87:
(8*1)+(7*3)+(6*3)+(5*0)+(4*1)+(3*9)+(2*8)+(1*7)=101
101 % 10 = 1
So 133019-87-1 is a valid CAS Registry Number.

133019-87-1Relevant articles and documents

1-Methoxycarbonyl-substituiertes 2,3-Dihydropyridin-4(1H)-on (= Methyl-1,2,3,4-tetrahydro-4-oxopyridin-1-carboxylat) als Chromophor fuer die photochemische Cycloaddition

Guerry, Philippe,Blanco, Philippe,Brodbeck, Heinz,Pasteris, Olivier,Neier, Reinhard

, p. 163 - 178 (1991)

With olefin having an electron-acceptor as well as with olefins having an electron donor substituent, 1-methoxycarbonyl-substituted dihydropyridinone 12 undergoes cycloaddition in good preparative yields.The photochemical cycloaddition is highly r

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