195067-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195067-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,0,6 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 195067-03:
(8*1)+(7*9)+(6*5)+(5*0)+(4*6)+(3*7)+(2*0)+(1*3)=149
149 % 10 = 9
So 195067-03-9 is a valid CAS Registry Number.
195067-03-9Relevant articles and documents
C-methylation of phenols, tyrosine derivatives, and a tyrosine containing peptide
Hudgens, Tony L.,Turnbull, Kenneth D.
, p. 2719 - 2722 (2007/10/03)
A two step procedure is reported for the efficient C-methylation of phenolic compounds using a Stille reaction. This procedure requires no phenol protection and is tolerant to a wide variety of functional groups.