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131273-42-2

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131273-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131273-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,7 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131273-42:
(8*1)+(7*3)+(6*1)+(5*2)+(4*7)+(3*3)+(2*4)+(1*2)=92
92 % 10 = 2
So 131273-42-2 is a valid CAS Registry Number.

131273-42-2Downstream Products

131273-42-2Relevant articles and documents

Ozonolyses of α-Oxo-alkenes: On the Existence of α-Oxo-ozonides

Griesbaum, Karl,Greunig, Hans-Joachim,Volpp, Willi,Jung, In-Chan

, p. 947 - 956 (2007/10/02)

Ozonolyses of nine acyclic (1a-i) and two cyclic (14, 29) α-oxo-alkenes on polyethylene or in pentane afforded in eight cases (1d-i, 14, 29) isolable α-oxo-ozonides. α-Diozonides (9) are obtained from five of the acyclic α-oxo-alkenes (1a, b, d, g, h).All isolated ozonides are labile; the 2,4-dinitrophenylhydrazones of the α-oxo-ozonides, however, are very stable.Decomposition of the α-oxo-ozonides affords not only the hitherto known fragments, but non-peroxidic isomers (8) of the ozonides, too.

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