73042-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73042-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,4 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73042-64:
(7*7)+(6*3)+(5*0)+(4*4)+(3*2)+(2*6)+(1*4)=105
105 % 10 = 5
So 73042-64-5 is a valid CAS Registry Number.
73042-64-5Relevant articles and documents
Opening of the Furandione Ring with o-Aminothiophenol: Synthesis of 2H-1,4-Benzothiazine-2,3(4H)-dione
Tretyakov,Dmitriev,Shein,Maslivets
, p. 716 - 718 (2019/07/19)
5-Aryl-4-(3-arylquinoxalin-2-yl)furan-2,3-diones react with o-aminothiophenol to form 2H-1,4-benzothiazin-2,3-(4H)-dione and (2Z)-1-aryl-2-[3-arylquinoxalin-2(1H)-ylidene]ethan-1-ones.