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1α,3β-dihydroxy-20(S)-(3-ethyl-3-hydroxypentyloxy)-9,10-secopregna-5,7,10(19)-triene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137589-83-4

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137589-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137589-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,8 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137589-83:
(8*1)+(7*3)+(6*7)+(5*5)+(4*8)+(3*9)+(2*8)+(1*3)=174
174 % 10 = 4
So 137589-83-4 is a valid CAS Registry Number.

137589-83-4Downstream Products

137589-83-4Relevant academic research and scientific papers

Synthetic studies of vitamin D analogues. XI. Synthesis and differentiation-inducing activity of 1α-25-dihydroxy-22-oxavitamin D3 analogues

Kubodera,Watanabe,Kawanishi,Matsumoto

, p. 1494 - 1499 (2007/10/02)

Six analogues of 1α,25-dihydroxy-22-oxavitamin D3 (OCT) (2), 26,27-dimethyl OCT (5), 26,27-diethyl OCT (6), 24-norOCT (7), 24-homoOCT (8), 24-dihomoOCT (9), and 24-trihomoOCT (10) were synthesized from the 20(S)-alcohol (11) as the common start

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