119730-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119730-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,7,3 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 119730-01:
(8*1)+(7*1)+(6*9)+(5*7)+(4*3)+(3*0)+(2*0)+(1*1)=117
117 % 10 = 7
So 119730-01-7 is a valid CAS Registry Number.
119730-01-7Relevant articles and documents
A Simple Synthesis of 5-Methoxyindole and 5-Methoxy-2-oxindole
Sakamoto, Takeshi,Hosoda, Isao,Kikugawa, Yasuo
, p. 1279 - 1281 (2007/10/02)
1-Methoxy- and 1-hydroxy-2-oxindoles rearranged in acidic solution to 5-substituted 2-aminophenylacetic acid derivatives which were cyclized to the corresponding 2-oxindoles with heating.The synthesis of 5-methoxyindole from 5-methoxy-2-oxindole was also described.