98171-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98171-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98171-09:
(7*9)+(6*8)+(5*1)+(4*7)+(3*1)+(2*0)+(1*9)=156
156 % 10 = 6
So 98171-09-6 is a valid CAS Registry Number.
98171-09-6Relevant 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.