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129339-99-7

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129339-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129339-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,3 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129339-99:
(8*1)+(7*2)+(6*9)+(5*3)+(4*3)+(3*9)+(2*9)+(1*9)=157
157 % 10 = 7
So 129339-99-7 is a valid CAS Registry Number.

129339-99-7Relevant articles and documents

Studies on fused 2(1H)-pyridenethiones: New routes for the synthesis of fused 1H-pyrazolo[3,4-b]pyridines and fused thieno[2,3-b]pyridines

Al-Kaabi, Sharifa Soltan,Elgemeie, Galal Eldin Hamza

, p. 2241 - 2245 (2017/03/31)

A synthesis of fused 1H-pyrazolo[3,4-b]pyridines and fused thieno[2,3-b]pyridines utilizing fused 2(1H)-pyridinethiones as starting components is described. The structures of the products were assigned and confirmed on the basis of their elemental analysi

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