Cas 123715-72-0,4β,10β-cyclo-5(10a)-homo-19-nor-5β-androstane-3β,5,17β-triol 3,5-diacetate 17-benzoate

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Check Digit Verification of cas no

The CAS Registry Mumber 123715-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,1 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123715-72:
(8*1)+(7*2)+(6*3)+(5*7)+(4*1)+(3*5)+(2*7)+(1*2)=110
110 % 10 = 0
So 123715-72-0 is a valid CAS Registry Number.

123715-72-0Upstream product

123715-64-0 4β,5-cyclopropano-5β-androstane-3β,17β,19-triol 3-acetate 17-benzoate 19-p-toluenesulfonate

123715-72-0Downstream Products

123715-72-0Relevant academic research and scientific papers

SOLVOLYTIC REARRANGEMENTS IN 4β,5-CYCLOPROPANO-5β-ANDROSTANE-3β,17β,19-TRIOL 3-ACETATE 17-BENZOATE 19-p-TOLUENESULFONATE

Fajkos, Jan,Joska, Jiri

, p. 751 - 759 (2007/10/02)

The title tosylate V was prepared from the tosylate III by Simmons-Smith methylenation.Its acetolysis afforded three products with modified steroid skeletons: The diene VIII, the olefin XI, and the pentacyclic diacetate XIII.The 3-oxo derivatives XIV, XVI

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