64038-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64038-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,3 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64038-65:
(7*6)+(6*4)+(5*0)+(4*3)+(3*8)+(2*6)+(1*5)=119
119 % 10 = 9
So 64038-65-9 is a valid CAS Registry Number.
64038-65-9Relevant articles and documents
One-pot preparation of 1-substituted imidazole-2-thione from isothiocyanate and amino acetal
Matsuda, Koyo,Yanagisawa, Isao,Isomura, Yasuo,Mase, Toshiyasu,Shibanuma, Tadao
, p. 3565 - 3571 (2007/10/03)
Isothiocyanates were treated with amino acetal and cone. HCl (0.5 eq.) successively in one-pot to afford 1-substituted imidazole-2-thiones in good yields.