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161196-61-8

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161196-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161196-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,9 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161196-61:
(8*1)+(7*6)+(6*1)+(5*1)+(4*9)+(3*6)+(2*6)+(1*1)=128
128 % 10 = 8
So 161196-61-8 is a valid CAS Registry Number.

161196-61-8Relevant articles and documents

Syntheses of conformationally restricted analogues of an angiotensin II receptor antagonist. General synthetic approach to functionalized imidazo[1,5-a]pyridine derivatives

Musicki, Branislav,Vevert, Jean-Paul

, p. 9391 - 9394 (2007/10/02)

Syntheses of two conformationally restricted analogues 3 and 4 of the angiotensin II receptor antagonists losartan (1) are described. Michael addition of imidazole-5-carboxaldehyde 8 to biphenylpropiolate 7 provides an efficient method for the skeletal construction of imidazo[1,5-α]pyridine derivatives.

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