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101773-48-2

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101773-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101773-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,7 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 101773-48:
(8*1)+(7*0)+(6*1)+(5*7)+(4*7)+(3*3)+(2*4)+(1*8)=102
102 % 10 = 2
So 101773-48-2 is a valid CAS Registry Number.

101773-48-2Relevant articles and documents

Synthesis and stereochemistry of some novel dihydropyrrolo[3,4-c]pyrazoles

Dueruest, Yasar,Yildirm, Muhammet,Fronczek, Chris F.,Fronczek, Frank R.

, p. 127 - 138 (2012)

Eleven novel dihydropyrrolo[3,4-c]pyrazole derivatives were obtained by the reaction of chiral (1R)-N-(1-phenylethyl)maleimide and C,N-aryl-substituted nitril-imines. The reaction afforded the cycloadducts as a regioisomeric mixture which can be separable in some cases. The structure and stereochemistry of cycloadducts were assigned on the basis of infrared (IR), 1H and 13C nuclear magnetic resonance (NMR), mass and X-ray spectra, optical rotation measurements, and CHN analyses.

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