22251-33-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22251-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,5 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22251-33:
(7*2)+(6*2)+(5*2)+(4*5)+(3*1)+(2*3)+(1*3)=68
68 % 10 = 8
So 22251-33-8 is a valid CAS Registry Number.
22251-33-8Relevant articles and documents
New methods and reagents in organic synthesis. 81. Lithium trimethylsilyldiazomethane: A useful reagent for the preparation of 1,2,3-triazoles from ketenimines
Aoyama, Toyohiko,Katsuta, Sachiko,Shioiri, Takayuki
, p. 133 - 136 (2007/10/02)
Lithium trimethylsilyldiazomethane smoothly reacts with ketenimines to give 1,2,3-triazoles in good yields.
