77556-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77556-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,5 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77556-41:
(7*7)+(6*7)+(5*5)+(4*5)+(3*6)+(2*4)+(1*1)=163
163 % 10 = 3
So 77556-41-3 is a valid CAS Registry Number.
77556-41-3Relevant academic research and scientific papers
Hetarylyrazoles. II. Reactions of Pyrazol-1'-ylpyridines
Khan, Misbahul Ain,Pinto, Alvaro Augusto Alves
, p. 9 - 14 (2007/10/02)
Pyrazol-1'-ylpyridines undergo electrophilic substitution reactions (bromination, chlorination and nitration) preferentially in the pyrazole ring.There is some evidence of the mutual influence of the pyrazole and the pyridine ring on the reactivity of the
