61505-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61505-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,5,0 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61505-65:
(7*6)+(6*1)+(5*5)+(4*0)+(3*5)+(2*6)+(1*5)=105
105 % 10 = 5
So 61505-65-5 is a valid CAS Registry Number.
61505-65-5Relevant articles and documents
A convenient route to cyanoguanidines
Novak, Lajos,Hanania, Michel,Kovacs, Peter,Kovacs, Csilla Erika,Kolonits, Pal,Szantay, Csaba
, p. 1757 - 1766 (2007/10/03)
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.