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1025965-57-4

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1025965-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1025965-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,5,9,6 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1025965-57:
(9*1)+(8*0)+(7*2)+(6*5)+(5*9)+(4*6)+(3*5)+(2*5)+(1*7)=154
154 % 10 = 4
So 1025965-57-4 is a valid CAS Registry Number.

1025965-57-4Downstream Products

1025965-57-4Relevant articles and documents

Synthesis of heteroaryl substituted α-mercapto acids from thiomalic acid using hexafluoroacetone as protecting and activating reagent

Pumpor, Ksenia,Windeisen, Elisabeth,Burger, Klaus

, p. 435 - 442 (2003)

The synthesis of heterocyclic α-mercapto acids starting from (RS)-thiomalic acid using hexafluoroacetone as protecting and activating agent is described. The new compounds are useful building blocks for peptide and depsipeptide modification as well as for drug design.

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