109638-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109638-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,3 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109638-04:
(8*1)+(7*0)+(6*9)+(5*6)+(4*3)+(3*8)+(2*0)+(1*4)=132
132 % 10 = 2
So 109638-04-2 is a valid CAS Registry Number.
109638-04-2Relevant academic research and scientific papers
Alkylation of tert-butyl lithiohydrazones of aldehydes and ketones
Wang, Shao-Fang,Warkentin, John
, p. 2256 - 2258 (2007/10/02)
Treatment of the tert-butylhydrazones of formaldehyde, acetaldehyde, and acetone with butyllithium afforded the corresponding tert-butyl lithiohydrazones, which were alkylated with alkyl, allyl, and benzyl halides.Fourteen new tert-butylazo compounds were
