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41028-66-4

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41028-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41028-66-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,0,2 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 41028-66:
(7*4)+(6*1)+(5*0)+(4*2)+(3*8)+(2*6)+(1*6)=84
84 % 10 = 4
So 41028-66-4 is a valid CAS Registry Number.

41028-66-4Upstream product

41028-66-4Relevant articles and documents

Solvent-free thermal dehydration of pentitols on zeolites

Kurszewska, Maria,Skorupowa, Eugenia,Madaj, Janusz,Wisniewski, Andrzej

, p. 169 - 177 (2007/10/03)

Dehydration of D-arabinitol, ribitol, and xylitol at high temperature in the presence of molecular sieves without solvent in an argon atmosphere is described. Products arising after the dehydration-cyclization (cyclodehydration) reaction with retention or inversion of the configuration of asymmetric carbon atoms, were observed. Complete analytical separations of exhaustively O-acetylated reaction products were achieved by means of GC. The chemical structures of the compounds obtained were assigned using co-injection with standards. Copyright

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