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21617-28-7

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21617-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21617-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,1 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21617-28:
(7*2)+(6*1)+(5*6)+(4*1)+(3*7)+(2*2)+(1*8)=87
87 % 10 = 7
So 21617-28-7 is a valid CAS Registry Number.

21617-28-7Relevant articles and documents

Detection of 2-substituted cyclobutanones as irradiation products of lipid-containing foods: Synthesis and applications of cis- and trans-2-(tetradec-5′-enyl)cyclobutanones and 11-(2′-oxocyclobutyl)-undecanoic acid

Hamilton, Lynne,Stevenson, M. Hilary,Boyd, Derek R.,Brannigan, Ian N.,Treacy, Alan B.,Hamilton, John T. G.,McRoberts, W. Colin,Elliott, Christopher T.

, p. 139 - 146 (2007/10/03)

cis- (3cis) and trans-2-(tetradec-5′-enyl)cyclobutanone (3trans) have been chemically synthesised and used in the unambiguous identification of the cis isomer 3cis in irradiated meat (example chicken) and fruit (example pa

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