90598-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90598-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,9 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90598-31:
(7*9)+(6*0)+(5*5)+(4*9)+(3*8)+(2*3)+(1*1)=155
155 % 10 = 5
So 90598-31-5 is a valid CAS Registry Number.
90598-31-5Relevant articles and documents
Preparation of Allenes from Geminal Dibromo Olefins and Aldehyds
Haessig, Robert,Seebach, Dieter,Siegel, Herbert
, p. 1877 - 1884 (2007/10/02)
The carbonyl carbons of ketones (acetone, cyclohexanone) and aldehydes (propanal, 2,2-dimethylpropanal, acrolein, benzaldehyde, p-methoxybenzaldehyde) are joined through a single carbon atom (originating from carbon tetrabromide) to give trisubstituted al
