139374-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139374-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,7 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139374-19:
(8*1)+(7*3)+(6*9)+(5*3)+(4*7)+(3*4)+(2*1)+(1*9)=149
149 % 10 = 9
So 139374-19-9 is a valid CAS Registry Number.
139374-19-9Relevant academic research and scientific papers
Wasserman,Frechette,Rotello,Schulte
, p. 7571 - 7574 (1991)
The reactions of singlet oxygen with 3-methoxy-2-carbalkoxypyrroles lead to 2,5-oxygenation, 2,3-epoxides, or 2,3-oxidative cleavage, depending on substitution patterns and reaction conditions.
