128503-24-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128503-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,0 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128503-24:
(8*1)+(7*2)+(6*8)+(5*5)+(4*0)+(3*3)+(2*2)+(1*4)=112
112 % 10 = 2
So 128503-24-2 is a valid CAS Registry Number.
128503-24-2Relevant articles and documents
TOTAL ASYMMETRIC SYNTHESES OF 3- AND 4-DEOXY-HEXOSES AND DERIVATIVES.
Fattori, Daniela,Vogel, Pierre
, p. 10587 - 10602 (2007/10/02)
(1S,4S)-7-Oxabicyclohept-5-en-2-one ((-)-5, a "naked sugar") has been converted to (-)-(1R,4S,6S)-6-endo-benzyloxy-2-bromo-7-oxabicyclohept-2-ene ((-)-12) in a highly stereoselective fashion.Double hydroxylation of the C=C double bond of (-)