100219-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100219-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,2,1 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100219-89:
(8*1)+(7*0)+(6*0)+(5*2)+(4*1)+(3*9)+(2*8)+(1*9)=74
74 % 10 = 4
So 100219-89-4 is a valid CAS Registry Number.
100219-89-4Relevant articles and documents
Cycloadditions of 1-(4-Methoxyphenyl)-2,2-dimethylvinyl Cation to Olefins
Harder, Ingo,Hanack, Michael
, p. 2974 - 2992 (2007/10/02)
1-Bromo-1-(4-methoxyphenyl)-2-methyl-1-propene (1) reacts with cyclohexene, cycloheptene, (Z)-cyclooctene and the silver salts AgBF4, AgSbF6 via the vinyl cation 2 by cycloaddition to form the cyclobutenes 7b - d.Cyclobutene 8 is obtained from (Z)- and (E
