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120143-67-1

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120143-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120143-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,4 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120143-67:
(8*1)+(7*2)+(6*0)+(5*1)+(4*4)+(3*3)+(2*6)+(1*7)=71
71 % 10 = 1
So 120143-67-1 is a valid CAS Registry Number.

120143-67-1Upstream product

120143-67-1Downstream Products

120143-67-1Relevant articles and documents

Biocatalyst mediated production of 6β,11α-dihydroxy derivatives of 4-ene-3-one steroids

Kolet, Swati P.,Niloferjahan, Siddiqui,Haldar, Saikat,Gonnade, Rajesh,Thulasiram, Hirekodathakallu V.

, p. 1152 - 1158 (2013)

Biotransformation of steroids with 4-ene-3-one functionality such as progesterone (I), testosterone (II), 17α-methyltestosterone (III), 4-androstene-3,17-dione (IV) and 19-nortestosterone (V) were studied by using a fungal system belonging to the genera of Mucor (M881). The fungal system efficiently and quantitatively converted these steroids in regio- and stereo-selective manner into corresponding 6β,11α-dihydroxy compounds. Time course experiments suggested that the transformation was initiated by hydroxylation at 6β- or 11α-(10β-hydroxy in case of V) to form monohydroxy derivatives which upon prolonged incubation were converted into corresponding 6β,11α-dihydroxy derivatives. The fermentation studies carried out using 5 L table-top fermentor with substrates (I and II) clearly indicates that 6β,11α-dihydroxy derivatives of steroids with 4-ene-3-one functionality can be produced in large scale by using M881.

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