166831-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166831-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,8,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 166831-76:
(8*1)+(7*6)+(6*6)+(5*8)+(4*3)+(3*1)+(2*7)+(1*6)=161
161 % 10 = 1
So 166831-76-1 is a valid CAS Registry Number.
166831-76-1Relevant articles and documents
A simple and efficient preparation of 3-aryl-3-trifluoromethyl-3H-diazirinyl sulfoxides and sulfones
Findlay,Fishwick,Kersey,Ward
, p. 553 - 556 (2007/10/02)
All regioisomers of 3-aryl-3-trifluoromethyl-3H-diazirinyl sulfoxides and sulfones have been prepared in five steps from the corresponding bromothioanisoles in excellent overall yields. The key step involves a simultaneous oxidation of sulfide and diaziri
