165066-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165066-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,0,6 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 165066-12:
(8*1)+(7*6)+(6*5)+(5*0)+(4*6)+(3*6)+(2*1)+(1*2)=126
126 % 10 = 6
So 165066-12-6 is a valid CAS Registry Number.
165066-12-6Relevant articles and documents
Synthesis of 3-thienyl substituted 2-pyrazolines by 1,3-dipolar cycloaddition
Krayushkin, M. M.,Kalik, M. A.,Voznesensky, S. A.
, p. 110 - 113 (2007/10/02)
1,3,5-Trisubstituted 3-thienylpyrazolines have been prepared in high yields by the reaction of substituted N-(p-nitrophenyl)-3-thiophenecarbohydrazonoyl chlorides with Et3N in CH2Cl2 in the presence of an excess of a monosubstituted olefin.The reaction pr