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138631-10-4

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138631-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138631-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,3 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138631-10:
(8*1)+(7*3)+(6*8)+(5*6)+(4*3)+(3*1)+(2*1)+(1*0)=124
124 % 10 = 4
So 138631-10-4 is a valid CAS Registry Number.

138631-10-4Downstream Products

138631-10-4Relevant articles and documents

Development of a Series of Phenyltetrazole Leukotriene D4(LTD4) Receptor Antagonist

Harper, Richard W.,Herron, David K.,Bollinger, Nancy G.,Sawyer, J. Scott,Baldwin, Ronald F.,et al.

, p. 1191 - 1200 (2007/10/02)

A hypothetical model for receptor binding of leukotriene D4 (LTD4) was deduced from conformational analysis of LTD4 and from the structure-activity relationships (SAR) of known LTD4 receptor antagonists.A new structural series of LTD4 receptor antagonists exemplified by 5--2--2H-tetrazole was designed in which a phenyltetrazole moiety was incorporated as a receptor binding equivalent of the triene unit of LTD4.A number of these phenyltetrazoles were prepared and found to possess LTD4 receptor antagonist activity.The structure-activity relationship (SAR) of this series is described.

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