128666-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128666-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,6 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128666-75:
(8*1)+(7*2)+(6*8)+(5*6)+(4*6)+(3*6)+(2*7)+(1*5)=161
161 % 10 = 1
So 128666-75-1 is a valid CAS Registry Number.
128666-75-1Relevant articles and documents
Annulation Reactions of Ortho-Chloromethyl Aryl Cuprates
Nevill, C.R.,Fuchs, P.L.
, p. 761 - 772 (2007/10/02)
Formation of o-chloromethyl aryl cuprates via halogenmetal exchange of 2-iodobenzyl chlorides with n-butyllithium provides a cuprate that may be added to unhindered enones and ammonium salt 5 giving intermediates suitable for subsequent annulation reactions.
