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746621-39-6

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746621-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 746621-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,6,6,2 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 746621-39:
(8*7)+(7*4)+(6*6)+(5*6)+(4*2)+(3*1)+(2*3)+(1*9)=176
176 % 10 = 6
So 746621-39-6 is a valid CAS Registry Number.

746621-39-6Upstream product

746621-39-6Downstream Products

746621-39-6Relevant articles and documents

Tin(IV) chloride-chiral pyrogallol derivatives as new Lewis acid-assisted chiral Bronsted acids for enantioselective polyene cyclization

Kumazawa, Keiko,Ishihara, Kazuaki,Yamamoto, Hisashi

, p. 2551 - 2554 (2004)

(Matrix Presented) New Lewis acid-assisted Bronsted acids (LBAs), tin(IV) chloride-2,6-dialkoxyphenols, serve as artificial cyclases for biomimetic polyene cyclization. For example, the enantioselective cyclization of 4-(homogeranyl)toluene using tin(IV) chloride-2,6-di[(1′R,2′R)- trans-2′-(3″,5″-xylyl)cyclohexanoxy]-phenol gave a trans-fused tricyclic compound with 85% ee.

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