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33073-35-7

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33073-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33073-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,0,7 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33073-35:
(7*3)+(6*3)+(5*0)+(4*7)+(3*3)+(2*3)+(1*5)=87
87 % 10 = 7
So 33073-35-7 is a valid CAS Registry Number.

33073-35-7Downstream Products

33073-35-7Relevant articles and documents

Composition of pseudoionone and ionone based on the isomers of citral from the chlorotelomer of isoprene

Siirde, K. E.,Erm, A. Yu.,Vyalimyae, T. K.,Lyiveke, I. A.,Leets, K.V.

, p. 2230 - 2235 (2007/10/02)

It was shown that the synthetic isomers of citral, obtained from the monoadducts of the chlorotelomer of isoprene, only form E-enones during alkaline condensation with acetone.Under the influence of mineral acids the (3E, 5Z)- and (3E, 5E)-6,10-dimethyl-3,5,9-undecatrien-2-ones formed from the Z and E isomers of citral gave a mixture of α-, β-, and γ-ionones, hydroxyionone, and 10-hydroxypseudoionones.The isomeric (3E, 5Z)-(3E, 5E)6,8,8-trimethyl-3,5,9-decatrien-2-ones and (3E, 5E)-5,10-dimethyl-3,5,9-undecatrien-2-one, obtained from the skeletal isomers of citral, do not undergo cyclization under the indicated conditions.The isolated compounds were characterized by (13)C NMR spectroscopy.

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