90404-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90404-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90404-05:
(7*9)+(6*0)+(5*4)+(4*0)+(3*4)+(2*0)+(1*5)=100
100 % 10 = 0
So 90404-05-0 is a valid CAS Registry Number.
90404-05-0Relevant articles and documents
2-ETHYNYLAZIRIDINES
Shubina, Yu. V.,Tikhomirov, D. A.,Eremeev, A. V.
, p. 147 - 150 (2007/10/02)
Methods for the synthesis of 2-ethynylaziridines by the cycloaddition of carbene to an α-ethynyl imine, cyclization of acetylenic β-amino alcohols in the presence of triphenylphosphine, and by means of the Gabriel reaction were developed.