117436-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117436-88-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,3 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117436-88:
(8*1)+(7*1)+(6*7)+(5*4)+(4*3)+(3*6)+(2*8)+(1*8)=131
131 % 10 = 1
So 117436-88-1 is a valid CAS Registry Number.
117436-88-1Relevant articles and documents
A new method for benzylic deprotonative lithiation: Synthesis of 1- and 1,3-disubstituted (aza)phthalans
Fort, Yves,Gros, Philippe,Rodriguez, Alain L
, p. 4045 - 4048 (2002)
The n-BuLi-Me2N(CH2)2OLi (noted n-BuLi-LiDMAE) superbase promotes the direct and regioselective α-lithiation of (aza)phthalan derivatives.