637747-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637747-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,7,4 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 637747-80:
(8*6)+(7*3)+(6*7)+(5*7)+(4*4)+(3*7)+(2*8)+(1*0)=199
199 % 10 = 9
So 637747-80-9 is a valid CAS Registry Number.
637747-80-9Relevant academic research and scientific papers
Synthesis of chromones and pyrazolines as antimicrobial & antifungal agents
Ghotekar,Mandhane,Joshi,Bhagat,Gill
, p. 341 - 344 (2012/01/02)
A series of chromones and pyrazolines have been synthesized and evaluated for their antimicrobial and antifungal activity against Gram+ve and Gram-ve microorganisms. 2-Hydroxy acetophenone on treatment with substituted aldehydes gave the corresponding cha