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882870-12-4

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882870-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 882870-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,2,8,7 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 882870-12:
(8*8)+(7*8)+(6*2)+(5*8)+(4*7)+(3*0)+(2*1)+(1*2)=204
204 % 10 = 4
So 882870-12-4 is a valid CAS Registry Number.

882870-12-4Relevant articles and documents

O-heterocycles via laccase-catalyzed domino reactions with O2 as the oxidant

Leutbecher, Heiko,Conrad, Jürgen,Klaiber, Iris,Beifuss, Uwe

, p. 3126 - 3130 (2005)

Laccase-catalyzed domino reactions of 4-hydroxy-6-methyl-2H-pyran-2-one or substituted 4-hydroxy-2H-chromen-2-ones with catechols using molecular oxygen as an oxidant afford coumestans and related O-heterocycles with yields ranging from 51% to 99%. Georg Thieme Verlag Stuttgart.

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