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1003322-99-3

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1003322-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1003322-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,3,3,2 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1003322-99:
(9*1)+(8*0)+(7*0)+(6*3)+(5*3)+(4*2)+(3*2)+(2*9)+(1*9)=83
83 % 10 = 3
So 1003322-99-3 is a valid CAS Registry Number.

1003322-99-3Upstream product

1003322-99-3Relevant articles and documents

SmI2-induced cyclization of optically active (E)- and (Z)-β-alkoxyvinyl sulfoxides with aldehydes

Kimura, Tomohiro,Hagiwara, Mayumi,Nakata, Tadashi

experimental part, p. 10893 - 10900 (2010/02/27)

SmI2-induced reaction of (E)-β-alkoxyvinyl (R)- and (S)-sulfoxides with aldehydes effected a highly stereoselective intramolecular cyclization to give 2,6-anti-2,3-cis- and 2,6-syn-2,3-trans-tetrahydropyran-3-ols, respectively. The reaction of (Z)-(R)-isomer gave 2,6-syn-2,3-cis-tetrahydropyran-3-ol and a ring-opened product, and that of (Z)-(S)-isomer yielded many products.

SmI2-induced reductive cyclization of optically active β-alkoxyvinyl sulfoxides with aldehyde

Kimura, Tomohiro,Hagiwara, Mayumi,Nakata, Tadashi

, p. 9171 - 9175 (2008/09/18)

SmI2-induced reductive cyclization of optically active (E)- and (Z)-β-alkoxyvinyl sulfoxides with aldehyde was developed for the construction of several stereoisomers of tetrahydropyran derivatives.

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