78494-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78494-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,9 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78494-75:
(7*7)+(6*8)+(5*4)+(4*9)+(3*4)+(2*7)+(1*5)=184
184 % 10 = 4
So 78494-75-4 is a valid CAS Registry Number.
InChI:InChI=1/C15H17NO6S/c1-15(2)11(14(19)20)16-12(18)9(13(16)23(15,21)22)10(17)8-6-4-3-5-7-8/h3-7,9-11,13,17H,1-2H3,(H,19,20)/t9-,10?,11+,13-/m1/s1
78494-75-4Relevant articles and documents
Substituted Penicillanic Acid 1,1-Dioxides as &β-Lactam Inhibitors: Studies on 6-Benzylidene- and Hydroxybenzylpenam Sulphones
Foulds, Christopher D.,Kosmirak, Mario,Sammes, Peter G.
, p. 963 - 968 (2007/10/02)
The preparation of the two epimers of (6R)-6-(α-hydroxybenzyl)penicillanic acid and the corresponding sulphones is described.The absolute configuration about the hydroxy substituted carbon atom has been elucidated by an investigation of the dehydration to
