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97455-05-5

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97455-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97455-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,5 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97455-05:
(7*9)+(6*7)+(5*4)+(4*5)+(3*5)+(2*0)+(1*5)=165
165 % 10 = 5
So 97455-05-5 is a valid CAS Registry Number.

97455-05-5Downstream Products

97455-05-5Relevant articles and documents

Microbial hydroxylation of steroids. 11. Hydroxylation of A-nor-, B-homo-Δ1-, and Δ1-testosterone acetates by Rhizopus arrhizus

Holland, Herbert L.,Chenchaiah, P. Chinna

, p. 1127 - 1131 (2007/10/02)

The testosterone derivatives A-nortestosterone acetate and B-homo-Δ1-testosterone acetate have been incubated with Rhizopus arrhizus, a fungus which hydroxylates testosterone at the C-6β and C-11α positions.These modes of hydroxylation were also observed for the A-nor steroid.The B-homo steroid, however, was oxidized at C-2β and concurrently hydroxylated at C-6β and C-7aβ (but not at C-11) by R. arrhizus. Δ1 steroids of conventional skeleton were hydroxylated at C-11α by R. arrhizus; in addition, Δ1-androstenedione was epoxidized at the 1,2β position.No C-6 hydroxylation of conventional Δ1,4-3-ketosteroids was observed..

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