6939-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6939-45-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6939-45:
(6*6)+(5*9)+(4*3)+(3*9)+(2*4)+(1*5)=133
133 % 10 = 3
So 6939-45-3 is a valid CAS Registry Number.
6939-45-3Relevant academic research and scientific papers
Synthesis of Novel 1,3,5-Dithiazine Derivatives
Glotova,Protsuk,Albanov,Nakhmanovich,Lopyrev
, p. 789 - 793 (2007/10/03)
The reactions of benzoylacetylene, propiolic acid, and methyl propiolate with 2,4-dithiobiuret and 1-substituted and 1,5-disubstituted 2,4-dithiobiurets in glacial AcOH in the presence of HC1O4 or BF3· Et2O were used to ob