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121058-06-8

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121058-06-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121058-06-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,5 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121058-06:
(8*1)+(7*2)+(6*1)+(5*0)+(4*5)+(3*8)+(2*0)+(1*6)=78
78 % 10 = 8
So 121058-06-8 is a valid CAS Registry Number.

121058-06-8Downstream Products

121058-06-8Relevant articles and documents

FREE-RADICAL OXIDATIVE TRANSFORMATIONS OF ANDROST-4-ENE-3β,9α,17β-TRIOL 3,17-DIACETATE

Mihailovic, Mihailo LJ.,Lorenc, Ljubinka,Dabovic, Milan,Bjelakovic, Mira

, p. 6201 - 6206 (2007/10/02)

The oxidation of androst-4-ene-3β,9α,17β-triol 3,17-diacetate (2) with lead tetraacetate resulted mainly in β-fragmentation of the C(9)-C(10) bond to give a mixture of 10α- and 10β-acetoxy-Δ4-unsaturated 9,10-seco-steroidal ketones (3a and 3b) as the minor components (in ca.7percent yield) and the rearranged 4β-acetoxy-Δ5(10)-unsaturated 9,10-seco-9-ketone (4) as the major product (in 61percent yield).Unexpestedly, when the same substrate (2) was subjected to the mercuric oxide - iodine oxidation, it underwent predominantly α-epoxidation of the olefinic double bond to produce the 4α,5α-epoxy derivative (5) (in 58percent yield).

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