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80656-13-9

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80656-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80656-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,5 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80656-13:
(7*8)+(6*0)+(5*6)+(4*5)+(3*6)+(2*1)+(1*3)=129
129 % 10 = 9
So 80656-13-9 is a valid CAS Registry Number.

80656-13-9Relevant articles and documents

Synthesis and First Applications of a New Chiral Auxiliary (tert-Butyl 2-(tert-Butyl)-5,5-dimethyl-4-oxoimidazolidine-1-carboxylate)

Studer, Armido,Hintermann, Tobias,Seebach, Dieter

, p. 1185 - 1206 (1995)

Both enantiomers of tert-butyl 2(tert-butyl)-5,5-dimethyl-4-oxoimidazolidine-1-carboxylate (11; Bbdmoic) were prepared from L-alanine (Schemes 1 and 2).The parent heterocycle, 2-tert-butyl-5,5-dimethylimidazolidin-4-one (12; from 2-aminoisobutyramide, H-A

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