93826-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93826-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,2 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93826-91:
(7*9)+(6*3)+(5*8)+(4*2)+(3*6)+(2*9)+(1*1)=166
166 % 10 = 6
So 93826-91-6 is a valid CAS Registry Number.
93826-91-6Relevant articles and documents
DIRECT ESTERIFICATION OF α-METHOXY-α-(TRIFLUOROMETHYL)PHENYLACETIC ACID
Streinz, Ludvik,Valterova, Irena,Wimmer, Zdenek,Budesinsky, Milos,Saman, David,et al.
, p. 2207 - 2213 (2007/10/02)
Esters of α-methoxy-α-(trifluoromethyl)phenylacetic acid (Mosher acid, MTPA) were prepared in good yields from alcohols and the free acid Ia using 2-chloro-1-methylpyridinium iodide (II) as condensing agent.