153750-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153750-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,7,5 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 153750-80:
(8*1)+(7*5)+(6*3)+(5*7)+(4*5)+(3*0)+(2*8)+(1*0)=132
132 % 10 = 2
So 153750-80-2 is a valid CAS Registry Number.
153750-80-2Relevant articles and documents
An efficient preparation of 7-methoxychromanone
Cao, Zhisong,Liehr, Joachim G.
, p. 1233 - 1245 (1996)
The reaction of m-methoxyphenyl 7 with 3-chloropropionaldehyde diethyl acetal 8 and the subsequent treatments gave the corresponding 7-methoxychromanone 6 in overall 54% yield. This method represents an efficient preparation of chromanone.