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137226-81-4

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137226-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137226-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137226-81:
(8*1)+(7*3)+(6*7)+(5*2)+(4*2)+(3*6)+(2*8)+(1*1)=124
124 % 10 = 4
So 137226-81-4 is a valid CAS Registry Number.

137226-81-4Downstream Products

137226-81-4Relevant articles and documents

Highly Potent, Orally Active Diester Macrocyclic Human Renin Inhibitors

Weber, Ann E.,Steiner, Mark G.,Krieter, Philip A.,Colletti, Adria E.,Tata, James R.,et al.

, p. 3755 - 3773 (2007/10/02)

Replacing one amide bond in macrocyclic renin inhibitors of the general structure 1 and 2 with an ester linkage gave glutamate-derived inhibitors 3 and serine-derived inhibitors 4.While this oxygen-for-nitrogen exchange had little effect on potency in the

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