109906-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109906-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,0 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109906-83:
(8*1)+(7*0)+(6*9)+(5*9)+(4*0)+(3*6)+(2*8)+(1*3)=144
144 % 10 = 4
So 109906-83-4 is a valid CAS Registry Number.
109906-83-4Relevant academic research and scientific papers
A facile preparation of pyrrolo[3,4-b]indoles
Daly, Kevin,Nomak, Rana,Snyder, John K.
, p. 8611 - 8614 (2007/10/03)
Reductive ring contraction of dimethyl 5H-pyridazino[4,5-b]indole-1,4-dicarboxylate produced dimethyl 2,4-dihydropyrrolo[3,4-b]indole-1,3-dicarboxylate.
