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216957-35-6

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216957-35-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216957-35-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,9,5 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 216957-35:
(8*2)+(7*1)+(6*6)+(5*9)+(4*5)+(3*7)+(2*3)+(1*5)=156
156 % 10 = 6
So 216957-35-6 is a valid CAS Registry Number.

216957-35-6Relevant articles and documents

Sulfonamide derivatives, their production and use

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Example 113, (2010/11/29)

The present invention provides compounds which specifically inhibit FXa, which are effective when orally administered and which are useful as a safe medicine for the prevention or treatment of diseases caused by thrombus or infarction. Compounds of this invention are piperazinones of the formula: wherein R1is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; the ring A is an optionally substituted divalent nitrogen-containing heterocyclic group, in addition to being substituted by the group of the formula: and the group of the formula: Y is an optionally substituted divalent hydrocarbon group or an optionally substituted divalent heterocyclic group; X is a direct bond or an optionally substituted alkylene chain; Z is (1) an amino group substituted with an optionally substituted hydrocarbon group, (2) an optionally substituted imino group or (3) an optionally substituted nitrogen-containing heterocyclic group; provided that when X is a direct bond and Z is an optionally substituted 6-membered nitrogen-containing aromatic heterocyclic group, Y is an optionally substituted divalent hydrocarbon group or an optionally substituted divalent unsaturated heterocyclic group; or a salt thereof.

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