899792-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 899792-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,9,7,9 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 899792-75:
(8*8)+(7*9)+(6*9)+(5*7)+(4*9)+(3*2)+(2*7)+(1*5)=277
277 % 10 = 7
So 899792-75-7 is a valid CAS Registry Number.
899792-75-7Relevant academic research and scientific papers
Synthesis and transformations of 1,4-diethynyl-2-nitrobenzene
Tarshits,Tarasov,Buyanov
, p. 2586 - 2589 (2007/10/03)
Heating 2-nitro-1,4-bis(1,3,3-trimethylindolin-2-ylideneacetyl)benzene with POCl3 followed by treatment with an aqueous solution of NaOH gave 2-nitro-1,4-diethynylbenzene. Some transformations involving this product were considered. 2-Acetylami
