87623-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87623-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,2 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87623-18:
(7*8)+(6*7)+(5*6)+(4*2)+(3*3)+(2*1)+(1*8)=155
155 % 10 = 5
So 87623-18-5 is a valid CAS Registry Number.
87623-18-5Relevant articles and documents
New pesticides and intermediates. Part VI. Some 2-substituted dioxa-, oxathio-, and dithiocyclanes
Witek, Stanislaw,Bielawski, Jacek,Bielawska, Alicja
, p. 2315 - 2326 (2007/10/02)
N-Formylphenyl and N-acetophenyl derivatives of urea and carbamic acid (1) were reacted with diols and their sulfur analogs to yield easily the title compounds (2-9).