1304134-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304134-21-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,1,3 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1304134-21:
(9*1)+(8*3)+(7*0)+(6*4)+(5*1)+(4*3)+(3*4)+(2*2)+(1*1)=91
91 % 10 = 1
So 1304134-21-1 is a valid CAS Registry Number.
1304134-21-1Relevant articles and documents
Synthesis and biological activity of 2-amino-4H-pyrimido[2,1-b][1,3] benzothiazole-3-carboxylates
Chaithanya,Vaidya,Nagendrappa
, p. 1618 - 1620 (2012/01/05)
3-Chloro-4-fluoro aniline (1) on reaction with potassium thiocyanate (2) followed by the addition of bromine in acetic acid medium yielded 2-amino 5-chloro-6-fluro[2,1-b][1,3]benzothiazole (3). Compound 3 when treated with β-cyanoester undergoes cycloaddi
