111482-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111482-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,8 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111482-91:
(8*1)+(7*1)+(6*1)+(5*4)+(4*8)+(3*2)+(2*9)+(1*1)=98
98 % 10 = 8
So 111482-91-8 is a valid CAS Registry Number.
111482-91-8Relevant articles and documents
ACETALS AND KETALS OF 2-(2-PYRIDYL)PROPANE-1,3-DIOL NOVEL PROTECTION FOR CARBONYL GROUPS
Katritzky, Alan R.,Fan, Wei-Qiang,Li, Qiao-Ling
, p. 1195 - 1198 (2007/10/02)
Aldehydes and ketones are readily converted into the corresponding 1,3-dioxanes by treatment with 2-(2-pyridyl)propane-1,3-diol.The protective group is easily removed under mild base conditions after activation by quaternization with methyl iodide.
