140887-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140887-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,8 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140887-54:
(8*1)+(7*4)+(6*0)+(5*8)+(4*8)+(3*7)+(2*5)+(1*4)=143
143 % 10 = 3
So 140887-54-3 is a valid CAS Registry Number.
140887-54-3Relevant articles and documents
Acid-catalyzed ring opening of 2-substituted aziridines with alcohols
Bodenan,Chanet-Ray,Vessiere
, p. 288 - 292 (2007/10/02)
Study of nucleophilic ring opening of various functionalized aziridines (2-alkoxycarbonyl, 2-hydroxymethyl, 2-cyano- and 2-aminomethyl) by alcohols in presence of diethyl ether-boron trifluoride complex.