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102935-64-8

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102935-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102935-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,3 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 102935-64:
(8*1)+(7*0)+(6*2)+(5*9)+(4*3)+(3*5)+(2*6)+(1*4)=108
108 % 10 = 8
So 102935-64-8 is a valid CAS Registry Number.

102935-64-8Relevant articles and documents

SYNTHETIC INVESTIGATIONS IN THE CHEMISTRY OF POLYENE COMPOUNDS. L. SYNTHESIS OF THE NITRILES AND HYDROXYNITRILES OF RETINOIC ACID

Zakharova, N. I.,Gutnikova, N. P.,Bekker, A. R.,Filippova, T. M.,Miropol'skaya, M. A.,Samokhvalov, G. I.

, p. 1870 - 1874 (2007/10/02)

Glycidonitrile was synthesized from 9-methyl-7-(1,1,5-trimethyl-5-cyclohexen-6-yl)-9,11-octadien-13-one and chloroacetonitrile by a modified Darzens reaction.Opening of the epoxide ring in the glycidonitrile gave 9,14-dihydroxy-9,13-dimethyl-7-(1,1,5-trimethyl-5-cyclohexen-6-yl)-10,12-nonadiene-15-nitrile with a yield of 70percent calculated on the ketone.Partial dehydration of the latter gave 14-hydroxy-9,13-dimethyl-7-(1,1,5-trimethyl-5-cyclohexen-6-yl)-8,10,12-nonatriene-15-nitrile - the key compound in the synthesis of the biologically active analog of the vitamin Ametabolite.The total dehydration of the dihydroxynitrile led to retinonitrile.

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