79457-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79457-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,5 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79457-61:
(7*7)+(6*9)+(5*4)+(4*5)+(3*7)+(2*6)+(1*1)=177
177 % 10 = 7
So 79457-61-7 is a valid CAS Registry Number.
79457-61-7Relevant articles and documents
REACTIONS OF 1-HALO-3-METHYL-2,3-EPOXYBUTANE WITH ALCOHOLS
Gevorkyan, A. A.,Kazaryan, P. I.,Avakyan, S. V.,Panosyan, G. A.
, p. 642 - 644 (1981)
The reaction of 1-bromo(or chloro)-3-methyl-2,3-epoxybutane with alcohols in the presence of the alkali metal alkoxides leads to the formation of epoxy ethers by direct replacement of the halogen atoms without participation of the epoxide ring.
