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p-nitrobenzyl 6β-allyloxycarbonylamino-6α-deuteriopenicillanate 1β-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156663-00-2

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156663-00-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156663-00-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,6 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156663-00:
(8*1)+(7*5)+(6*6)+(5*6)+(4*6)+(3*3)+(2*0)+(1*0)=142
142 % 10 = 2
So 156663-00-2 is a valid CAS Registry Number.

156663-00-2Relevant academic research and scientific papers

FROM PENICILLINS TO 4,5-DIOXOTHIAZOLIDINES: A THERMAL REARRANGEMENT OF TRITYLAMINOPENAM DERIVATIVES

Alpegiani, Marco,Perrone, Ettore

, p. 843 - 852 (2007/10/02)

Thermolysis of p-nitrobenzyl 6β-tritylaminopenicillanate 1β-oxide (1) afforded (2R)-3-methyl-2-(4-oxo-5-tritylimino-3-thiazolidinyl)-3-buteonate (8) which could be easily converted into 4,5-dioxothiazolidines (9, 11).The influence of catalytic amounts of

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