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75091-81-5

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75091-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75091-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,0,9 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75091-81:
(7*7)+(6*5)+(5*0)+(4*9)+(3*1)+(2*8)+(1*1)=135
135 % 10 = 5
So 75091-81-5 is a valid CAS Registry Number.

75091-81-5Relevant articles and documents

SYNTHESIS OF CYCLOHEXENYL-SUBSTITUTED ACRYLIC AND 3-HYDROXYPROPIONIC ACIDS AND THEIR HOMOLOGS

Gramenitskaya, V. N.,Inozemtseva, L. V.,Koz'mina, E. A.,Vul'fson, N. S.

, p. 2260 - 2267 (2007/10/02)

The corresponding 3-cyclohexenyl-substituted Z- and E-acrylic and 3-hydroxypropionic acids were synthesized from 3-cyclohexene-1-carbaldehyde and its methyl derivatives.Dehydration of the products under various conditions leads to the formation of the E isomers of the substituted acrylic acid and also isomerization, aromatization, and cyclization products.

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