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1622982-21-1

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1622982-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1622982-21-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,9,8 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1622982-21:
(9*1)+(8*6)+(7*2)+(6*2)+(5*9)+(4*8)+(3*2)+(2*2)+(1*1)=171
171 % 10 = 1
So 1622982-21-1 is a valid CAS Registry Number.

1622982-21-1Relevant articles and documents

Thieno[2,3-b]pyridines as negative allosteric modulators of metabotropic GluR5 receptors: Hit-to-lead optimization

Nógrádi, Katalin,Wágner, Gábor,Domány, Gy?rgy,Bobok, Amrita,Magdó, Ildikó,Kiss, Béla,Kolok, Sándor,Fónagy, Katalin,Gyertyán, István,Háda, Viktor,Kóti, János,Gál, Krisztina,Farkas, Sándor,Keseru, Gy?rgy M.,Greiner, István,Szombathelyi, Zsolt

, p. 3845 - 3849 (2014)

An HTS campaign of our corporate compound library resulted in thieno[2,3-b]pyridines derivative hits with mGluR5 negative allosteric modulator effects. During the hit-to-lead development our objective was to improve affinity, and to keep the ligand efficiency values at an acceptable level. After different modifications of the linker resulted in a 2-sulfonyl-thieno[2,3-b] pyridines derivative, which fulfilled the lead criteria.

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