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(20R)-3β-Acetoxy-20-tosyloxy-17α-pregn-5-en-21,16α-carbolacton is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77017-06-2

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77017-06-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77017-06-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,1 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77017-06:
(7*7)+(6*7)+(5*0)+(4*1)+(3*7)+(2*0)+(1*6)=122
122 % 10 = 2
So 77017-06-2 is a valid CAS Registry Number.

77017-06-2Downstream Products

77017-06-2Relevant academic research and scientific papers

Steroidal Butyrolactones from 3β,21-Diacetoxy-16α,17-epoxy-5-pregnen-20-one

Annen, Klaus,Hofmeister, Helmut,Laurent, Henry,Petzoldt, Karl,Seeger, Arne,Wiechert, Rudolf

, p. 3827 - 3836 (2007/10/02)

Chemical and microbiological rearrangement from 1 to 2 is described.The configurations of C-16, C-17 and C-20 have been determined by chemical transformations of 2 and spectroscopic data of their reaction products.

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