18884-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18884-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,8 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18884-16:
(7*1)+(6*8)+(5*8)+(4*8)+(3*4)+(2*1)+(1*6)=147
147 % 10 = 7
So 18884-16-7 is a valid CAS Registry Number.
18884-16-7Relevant academic research and scientific papers
Novak, Lajos,Hanania, Michel,Kovacs, Peter,Kovacs, Csilla Erika,Kolonits, Pal,Szantay, Csaba
, p. 1757 - 1766 (1999)
A facile and versatile method for the preparation of cyanoguanidines 7 from amines 3 and isothiocyanates 4 via a methylation, cyanamide-treatment sequence is described.