57019-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57019-56-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,1 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57019-56:
(7*5)+(6*7)+(5*0)+(4*1)+(3*9)+(2*5)+(1*6)=124
124 % 10 = 4
So 57019-56-4 is a valid CAS Registry Number.
57019-56-4Relevant academic research and scientific papers
2-STYRYLBENZOXAZOLE DERIVATIVES
Arient, Josef
, p. 3160 - 3165 (2007/10/02)
A series of 35 derivatives of 2-styrylbenzoxazole I-XXXV with methyl, chloro, hydroxy, methoxy, dimethylamino, nitro, cyano and methoxycarbonyl substituents have been prepared by reaction of substituted 2-acetamidophenol with respective benzaldehyde derivatives.
