98244-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98244-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,4 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98244-09:
(7*9)+(6*8)+(5*2)+(4*4)+(3*4)+(2*0)+(1*9)=158
158 % 10 = 8
So 98244-09-8 is a valid CAS Registry Number.
98244-09-8Relevant articles and documents
IMPROVED ENANTIOSELECTIVE SYNTHESIS OF ANTI α-METHYL-β-HYDROXYESTERS THROUGH TiCl4-PPh3 MEDIATED ALDOL CONDENSATION
Palazzi, Camillo,Colombo, Lino,Gennari, Cesare
, p. 1735 - 1738 (2007/10/02)
The complex between TiCl4 and PPh3 effectively catalyses the aldol addition of silyl ketene acetals to aldehydes dramatically improving the anti-syn ratios.