225939-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 225939-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,9,3 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 225939-44:
(8*2)+(7*2)+(6*5)+(5*9)+(4*3)+(3*9)+(2*4)+(1*4)=156
156 % 10 = 6
So 225939-44-6 is a valid CAS Registry Number.
225939-44-6Relevant articles and documents
A versatile and efficient synthesis of substituted 1H-indazoles
Caron, Stéphane,Vazquez, Enrique
, p. 588 - 592 (1999)
A facile synthesis of substituted 1H-indazole 4 from aryl mesylate 3 is described. The reaction, which proceeds through the intermediate hydrazone, was general with regard to the substituents on the arene and was applicable to several hydrazines. It was a
