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215026-34-9

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215026-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215026-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,0,2 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 215026-34:
(8*2)+(7*1)+(6*5)+(5*0)+(4*2)+(3*6)+(2*3)+(1*4)=89
89 % 10 = 9
So 215026-34-9 is a valid CAS Registry Number.

215026-34-9Downstream Products

215026-34-9Relevant articles and documents

Synthesis of enantiopure cyclitols from (±)-3-bromocyclohexene mediated by intramolecular oxyselenenylation employing (S,S)-hydrobenzoin and (S)-mandelic acid as chiral sources

Lee, Yong Joo,Lee, Kyunghoon,Jung, Sea Ill,Jeon, Heung Bae,Kim, Kwan Soo

, p. 1987 - 2001 (2007/10/03)

Reaction of 3-bromocyclohexene with (S,S)-hydrobenzoin and (S)-mandelic acid and subsequent intramolecular oxyselenenylation of the resulting allylic ethers followed by oxidation-elimination afforded the valuable cis-fused bicyclic olefins, (1S,3S,4S,6R)-3,4-diphenylbicyclo[4,4,0]-2,5-dioxa-7-decene and (1S,3S,4R)-3-phenyl-4a,7,8,8a-tetrahydro-benzo[1,4]dioxan-2-one, respectively. Further stereoselective transformation of these cis-fused bicyclic olefins afforded the enantiopure cyclohexitols, muco-quercitol, D-chiro-inocitol and allo-inocitol.

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