252210-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252210-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,2,1 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 252210-19:
(8*2)+(7*5)+(6*2)+(5*2)+(4*1)+(3*0)+(2*1)+(1*9)=88
88 % 10 = 8
So 252210-19-8 is a valid CAS Registry Number.
252210-19-8Relevant articles and documents
A convenient synthesis of 4-trifluoromethyl-4H- [1,5,2]dioxazines and 4-trifluoromethyl-6H-[1,2,5]oxadiazines
Kamitori, Yasuhiro
, p. 917 - 920 (1999)
1,1,1-Trifluoroalkane-2,3-dione 3-oximes 1 easily obtainable from aldehyde dimethylhydrazones were reacted with several aldehydes and ketones in the presence of acetic acid to afford 4- trifluoromethyl-4H-[1,5,2]dioxadines 3 in satisfactory yields. When t