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66444-05-1

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66444-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66444-05-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,4 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 66444-05:
(7*6)+(6*6)+(5*4)+(4*4)+(3*4)+(2*0)+(1*5)=131
131 % 10 = 1
So 66444-05-1 is a valid CAS Registry Number.

66444-05-1Downstream Products

66444-05-1Relevant articles and documents

Synthesis and Ring Cleavage of Highly Substituted 1,1-Dichloro- and 1-Bromo-1-fluorocyclopropanes

Anke, Lutz,Reinhard, Detlef,Weyerstahl, Peter

, p. 591 - 602 (2007/10/02)

The tri- and tetrasubstituted olefines 1, 2, 4, 7 - 15, and 19 react with CCl2 to give the dichlorocyclopropanes 22, 23, 25, 26a - 30a, and 33a - 37a in high yield, while the highly sterically hindered olefins 5, 6, and 21 show no reaction.In a few border

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