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140901-68-4

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140901-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140901-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,9,0 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140901-68:
(8*1)+(7*4)+(6*0)+(5*9)+(4*0)+(3*1)+(2*6)+(1*8)=104
104 % 10 = 4
So 140901-68-4 is a valid CAS Registry Number.

140901-68-4Relevant articles and documents

Synthesis of Amino-5a-carba-deoxyhexopyranoses from 2(3)-Acetoxy-5-acetoxymethyl-3(2)-p-toluenesulfonamido-7-oxabicycloheptanes

Ogawa, Seiichiro,Tsunoda, Hidetoshi,Yoshikawa, Masaru,Uemura, Masaki,Orihara, Masaru

, p. 629 - 636 (2007/10/02)

cis-Hydroxyamination of endo-2-acetoxymethyl-7-oxabicyclohept-5-ene (1) under Sharpless condition affords two positional isomers 3 and 7 of 5-endo-acetoxymethyl-2(3)-exo-hydroxy-3(2)-exo-p-toluenesulfonamido-7-oxabicycloheptanes.Cleavage of

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