108438-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108438-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,3 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108438-44:
(8*1)+(7*0)+(6*8)+(5*4)+(4*3)+(3*8)+(2*4)+(1*4)=124
124 % 10 = 4
So 108438-44-4 is a valid CAS Registry Number.
108438-44-4Relevant articles and documents
METHYL GROUP AT 1-POSITION OF STABILIZED INDOLE AS A PROTECTIVE GROUP
Nakatsuka, Shin-ichi,Asano, Osamu,Goto, Toshio
, p. 2791 - 2792 (2007/10/02)
Methyl group at 1-position of indole derivative 2 was removed by oxidation with benzoyl peroxide and subsequent hydrolysis.