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21-Oxolup-18-ene-3β,22β,28-triyl 3,28-diacetate 22-(4-toluenesulfonate) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

226384-12-9

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226384-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 226384-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,3,8 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 226384-12:
(8*2)+(7*2)+(6*6)+(5*3)+(4*8)+(3*4)+(2*1)+(1*2)=129
129 % 10 = 9
So 226384-12-9 is a valid CAS Registry Number.

226384-12-9Relevant academic research and scientific papers

Reaction of 18β,19β-epoxylupan-21-one derivatives with acids: A way to 21,22-disubstituted lup-18-ene triterpenoids

Klinotova, Eva,Cermakova, Jitka,Rejzek, Martin,Krecek, Vaclav,Sejbal, Jan,Olsovsky, Petr,Klinot, Jiri

, p. 329 - 347 (2007/10/03)

Depending on the conditions and the acid employed, 18β,19β-epoxy-28-hydroxy-21-oxolupan-3β-yl acetate (2a) and 18β,19β-epoxy-21-oxolupane-3β,28-diyl diacetate (2b) on treatment with acid gave three types of products: (i) 28-nor derivatives: 21-oxo28-norlu

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