22699-14-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22699-14-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,9 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22699-14:
(7*2)+(6*2)+(5*6)+(4*9)+(3*9)+(2*1)+(1*4)=125
125 % 10 = 5
So 22699-14-5 is a valid CAS Registry Number.
22699-14-5Relevant articles and documents
TRIMETHYLSILYLDIAZOMETHANE: A CONVENIENT REAGENT FOR THE O-METHYLATION OF ALCOHOLS
Aoyama, Toyohiko,Shioiri, Takayuki
, p. 5507 - 5508 (1990)
Trimethylsilyldiazomethane smoothly reacts with alcohols in dichloromethane in the presence of 42percent aqueous fluoroboric acid to give methyl ethers in good to high yields.