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1211547-89-5

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1211547-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1211547-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,5,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1211547-89:
(9*1)+(8*2)+(7*1)+(6*1)+(5*5)+(4*4)+(3*7)+(2*8)+(1*9)=125
125 % 10 = 5
So 1211547-89-5 is a valid CAS Registry Number.

1211547-89-5Downstream Products

1211547-89-5Relevant articles and documents

Four-component synthesis of fully substituted 1,2,4-triazoles

Staben, Steven T.,Blaquiere, Nicole

supporting information; experimental part, p. 325 - 328 (2010/04/02)

Chemical Equation Presented All 4 one: Palladium-catalyzed carbonylation initiates a highly regioselective triazole synthesis. In this four-partner protocol, the aryl halide, amidine, and hydrazine partners are easily varied, allowing the synthesis of fully substituted 1,2,4-triazoles in a modular fashion. This methodology is demonstrated with the synthesis of druglike and/or pharmaceutically relevant molecules such as deferasirox.

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