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111641-23-7

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111641-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111641-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,4 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111641-23:
(8*1)+(7*1)+(6*1)+(5*6)+(4*4)+(3*1)+(2*2)+(1*3)=77
77 % 10 = 7
So 111641-23-7 is a valid CAS Registry Number.

111641-23-7Relevant articles and documents

STEREOSELECTIVE SYNTHESIS OF ERYTHRO- AND THREO-1,2-DIOLS FROM DIKETO SULFIDES VIA CIS-3,4-DIHYDROXYTHIOLANES

Nakayama, Juzo,Yamaoka, Shoji,Hoshino, Masamatsu

, p. 1799 - 1802 (2007/10/02)

Intramolecular reductive coupling reaction of a series of diketo sulfides (1) by a low-valent titanium reagent at 0 deg C in tetrahydrofuran leads to cis-3,4-dihydroxythiolanes (2) exclusively in 67-89percent yields.Desulfurization of 2 by Raney nickel in

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