224641-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 224641-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,6,4 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 224641-82:
(8*2)+(7*2)+(6*4)+(5*6)+(4*4)+(3*1)+(2*8)+(1*2)=121
121 % 10 = 1
So 224641-82-1 is a valid CAS Registry Number.
224641-82-1Relevant articles and documents
C-methylation of phenols, tyrosine derivatives, and a tyrosine containing peptide
Hudgens, Tony L.,Turnbull, Kenneth D.
, p. 2719 - 2722 (1999)
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.