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1256161-69-9

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1256161-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256161-69-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,1,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1256161-69:
(9*1)+(8*2)+(7*5)+(6*6)+(5*1)+(4*6)+(3*1)+(2*6)+(1*9)=149
149 % 10 = 9
So 1256161-69-9 is a valid CAS Registry Number.

1256161-69-9Relevant articles and documents

Squaramide-Catalyzed Michael Addition as a Key Step for the Direct Synthesis of GABAergic Drugs

Veverková, Eva,Bilka, Stanislav,Baran, Rastislav,?ebesta, Radovan

, p. 1474 - 1482 (2016/05/24)

Enantioselective organocatalytic Michael additions serve as the key step in syntheses of chiral drugs based on γ-aminobutyric acid. The applicability of various squaramide catalysts for these Michael-type reactions has been assessed. Very good results in

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