66333-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66333-00-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,3 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66333-00:
(7*6)+(6*6)+(5*3)+(4*3)+(3*3)+(2*0)+(1*0)=114
114 % 10 = 4
So 66333-00-4 is a valid CAS Registry Number.
66333-00-4Relevant articles and documents
NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 10. TRIMETHYLSILYLDIAZOMETHANE (TMSCHN2), A NEW, STABLE, AND SAFE REAGENT FOR THE HOMOLOGATION OF KETONES
Hashimoto, Norio,Aoyama, Toyohiko,Shiori, Takayuki
, p. 4619 - 4622 (1980)
Homologation of ketones can be achieved with trimethylsilyldiazomethane (TMSCHN2) which is a stable and safe substitute for hazardous diazomethane.