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113122-77-3

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113122-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113122-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,1,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 113122-77:
(8*1)+(7*1)+(6*3)+(5*1)+(4*2)+(3*2)+(2*7)+(1*7)=73
73 % 10 = 3
So 113122-77-3 is a valid CAS Registry Number.

113122-77-3Relevant articles and documents

INTRAMOLECULAR RING CLOSURE OF α,β-EPOXY SULFOXIDES WITH HYDROXYL GROUP: A NOVEL SYNTHESIS OF 2-ACYL CYCLIC ETHERS AND 3-KETO CYCLIC ETHERS

Satoh, Tsuyoshi,Iwamoto, Ken-ichi,Yamakawa, Koji

, p. 2603 - 2606 (2007/10/02)

Exo-trigonal-type intramolecular ring closure of the α,β-epoxy sulfoxides with hydroxyl group gave 2-acyl cyclic ethers (5, 6, and 13 membered rings) in good yields.In contrast to this, endo-trigonal-type ring closure of the α,β-epoxy sulfoxides was rather difficult.

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