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1028277-25-9

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1028277-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1028277-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,2,7 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1028277-25:
(9*1)+(8*0)+(7*2)+(6*8)+(5*2)+(4*7)+(3*7)+(2*2)+(1*5)=139
139 % 10 = 9
So 1028277-25-9 is a valid CAS Registry Number.

1028277-25-9Relevant articles and documents

Dihydro- and Tetrahydrofuran Building Blocks from 1,4:3,6-Dianhydrohexitols. 2. Synthesis of Acetal, Alcohol, Diol, Epoxide, Hydrocarbon, and Lactone Pheromones

Paolucci, Claudio,Mazzini, Claudio,Fava, Antonio

, p. 169 - 175 (1995)

The potential of building blocks 1-3 for synthesis of enantiopure substances is illustrated by their transformation to various insect pheromones featuring functionalities specified in the title.A convenient synthesis of building block 3 from sorbitol is described.

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