111159-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111159-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,5 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111159-46:
(8*1)+(7*1)+(6*1)+(5*1)+(4*5)+(3*9)+(2*4)+(1*6)=87
87 % 10 = 7
So 111159-46-7 is a valid CAS Registry Number.
111159-46-7Relevant articles and documents
Synthesis of Some 12-Substituted 9,10-Dimethyldibenzindolizine-8,11-diones
Al-Sammerrai, Dhoaib,Al-Sammerrai, Falih
, p. 70 - 71 (1988)
The synthesis of some 12-substituted 9,10-dimethyldibenzindolizine-8,11-diones using 2,3-dibromo-5,6-dimethyl-1,4-benzoquinone with active methylene compounds and isoquinoline has been described.