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139622-45-0

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139622-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139622-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,2 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139622-45:
(8*1)+(7*3)+(6*9)+(5*6)+(4*2)+(3*2)+(2*4)+(1*5)=140
140 % 10 = 0
So 139622-45-0 is a valid CAS Registry Number.

139622-45-0Downstream Products

139622-45-0Relevant articles and documents

Facile preparation of methyl 5-aryl-4-hydroxyhex-2(E)-enoate, chiral synthon of bisabolane-type sesquiterpenes, based on lipase-catalyzed kinetic resolution and rearrangement of an aryl group

Fujii, Mikio,Yasuhara, Sumie,Akita, Hiroyuki

scheme or table, p. 1286 - 1294 (2009/10/17)

The lipase-catalyzed enantioselective acetylation of racemic methyl (4S*,5S*)-4-aryl-5-hydroxyhex-2(E)-enoates 1a-h was performed and efficient resolutions were achieved (E >400) by using CAL-B. After brosylation of the obtained opti

A facile chemoenzymatic route to optically active 4,5-disubstituted-2E-hexenoate derivatives. I

Akita,Umezawa,Takano,Ohyama,Matsukura,Oishi

, p. 55 - 63 (2007/10/02)

The reaction of (±) methyl 4,5-trans-epoxy-2E-hexenoate (2) with aromatic nucleophiles having an electron-donating group in the presence of BF3 · Et2O gave the 4,5-anti-5-hydroxy-4- or/and 2,5-anti-5-hydroxy-2-substituted products. T

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