321124-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321124-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,1,2 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 321124-82:
(8*3)+(7*2)+(6*1)+(5*1)+(4*2)+(3*4)+(2*8)+(1*2)=87
87 % 10 = 7
So 321124-82-7 is a valid CAS Registry Number.
321124-82-7Relevant articles and documents
Preparation of 3,4-di-t-butylthiophene 1-imide and its N-substituted derivatives
Otani,Sugihara,Ishii,Nakayama
, p. 8461 - 8465 (2000)
Treatment of 3,4-di-t-butylthiophene 1-oxide with (CF3CO)2O or (CF3SO2)2O, followed by reaction with RSO2NH2, ROC(=O)NH2, or RCONH2 furnished a series of 1-