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90125-27-2

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90125-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90125-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,2 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90125-27:
(7*9)+(6*0)+(5*1)+(4*2)+(3*5)+(2*2)+(1*7)=102
102 % 10 = 2
So 90125-27-2 is a valid CAS Registry Number.

90125-27-2Downstream Products

90125-27-2Relevant articles and documents

CYCLIC UNSATURATED COMPOUNDS. LXXII. ALKOXYCYCLOPENTADIENES

Mironov, V. A.,Luk'yanov, V. T.,Bernadskii, A. A.

, p. 61 - 70 (2007/10/02)

A convenient method was developed for the synthesis of alkoxycyclopentadienes from the relatively easily obtainable 3-hydroxytricyclo2,6>deca-4,8-diene.It was shown that the obtained substances are equilibrium mixtures of isomers with respect to the position of the system of intracyclic double bonds and contain 1- and 2-substituted cyclopentadienes in a ratio 1:2 respectively.If the alkoxy group is removed from the cyclopentadiene ring, the ratio of the isomers (1:1.5) approximates to that for alkylcyclopentadienes.

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