204131-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204131-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,1,3 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 204131-01:
(8*2)+(7*0)+(6*4)+(5*1)+(4*3)+(3*1)+(2*0)+(1*1)=61
61 % 10 = 1
So 204131-01-1 is a valid CAS Registry Number.
204131-01-1Relevant articles and documents
Synthesis of new substituted pyrrolo[2,3-b]- and pyrrolo[3,2-α]acridinone derivatives
Coullet, Fabien,Morel, Sandrine,Boyer, Gerard,Galy, Jean Pierre
, p. 147 - 157 (1998)
The synthesis of new pyrrolo[a]- and [b]acridinones by cyclization of N-arylindoles obtained using ultrasonic irradiations from nitro indole is reported.
