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342898-65-1

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342898-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 342898-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,8,9 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 342898-65:
(8*3)+(7*4)+(6*2)+(5*8)+(4*9)+(3*8)+(2*6)+(1*5)=181
181 % 10 = 1
So 342898-65-1 is a valid CAS Registry Number.

342898-65-1Relevant articles and documents

Synthesis of 11β-ether-17α-ethinyl-3,17β-estradiols with strong ER antagonist activities

Zhang, Jing-Xin,Labaree, David C.,Hochberg, Richard B.

, p. 567 - 570 (2014/05/06)

We have previously found that several families of nonpolar short chain 11β-ethers and esters of estradiol are selective estrogen receptor modulators (SERMs). Surprisingly, the transformation from potent estrogen to anti-estrogen occurs when the 11β-side c

Synthesis and evaluation of B-, C-, and D-ring-substituted estradiol carboxylic acid esters as locally active estrogens

Labaree, David C.,Zhang, Jing-Xin,Harris, Heather A.,O'Connor, Craig,Reynolds, Toni Y.,Hochberg, Richard B.

, p. 1886 - 1904 (2007/10/03)

We have synthesized derivatives of estradiol that are structurally modified to serve as "soft" estrogens and act within a geographically limited area of the body; estrogens without systemic action. We have previously shown with 16α-substituted analogues o

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