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1261079-74-6

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1261079-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261079-74-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,0,7 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1261079-74:
(9*1)+(8*2)+(7*6)+(6*1)+(5*0)+(4*7)+(3*9)+(2*7)+(1*4)=146
146 % 10 = 6
So 1261079-74-6 is a valid CAS Registry Number.

1261079-74-6Downstream Products

1261079-74-6Relevant articles and documents

From 2,6-dichloronicotinic acid to thiopeptide cores

Just-Baringo, Xavier,Albericio, Fernando,Alvarez, Mercedes

, p. 6404 - 6419 (2013/10/21)

The scope of 2,6-dichloronicotinic acid as a precursor of thiopeptide polyheterocylic cores has been extensively studied in a cross-coupling-based approach. Differentiation of the two chlorinated positions under SNAr conditions and versatility of the carboxylic acid are key for the preparation of 2,3,6-trisubstituted pyridines with complete regiocontrol. With the present strategy, nine different azole-substituted pyridines were synthesized. Studies towards the selective deprotection of their functionalities resulted in a set of fully orthogonal protecting groups that permits the elongation of all three pyridine substituents. Copyright

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