147752-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147752-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,7,5 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147752-55:
(8*1)+(7*4)+(6*7)+(5*7)+(4*5)+(3*2)+(2*5)+(1*5)=154
154 % 10 = 4
So 147752-55-4 is a valid CAS Registry Number.
147752-55-4Relevant academic research and scientific papers
Synthesis of 7-aryl-1H,9H-pyranobenzoxazin-2,9-(3H)-diones
Chander, V. Surya,Rao, C. Papa,Sudhakar, C.,Mohan, K. Raja
, p. 377 - 378 (2007/10/02)
A series of new 7-aryl-1H,9H-pyranobenzoxazin-2,9-(3H)-diones (Va-f) has been synthesised and a convenient methos for the synthesis of 6-acetyl-7-hydroxy-2H-1,4-benzoxazin-3-one (III) is described.
