92490-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92490-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,4,9 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92490-20:
(7*9)+(6*2)+(5*4)+(4*9)+(3*0)+(2*2)+(1*0)=135
135 % 10 = 5
So 92490-20-5 is a valid CAS Registry Number.
92490-20-5Relevant articles and documents
Allenic Zinc Reagents. A Remarkable Regio- and Diastereoselective Synthesis of 2-Substituted Homopropargylic Alcohols
Zweifel, George,Hahn, Gregory
, p. 4565 - 4567 (1984)
Allenic zinc reagents react with aldehydes in a highly regio- and diastereoselective manner to furnish threo-homopropargylic alcohols having 96-99percent diastereomeric purities.
