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1231747-27-5

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1231747-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1231747-27-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,7,4 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1231747-27:
(9*1)+(8*2)+(7*3)+(6*1)+(5*7)+(4*4)+(3*7)+(2*2)+(1*7)=135
135 % 10 = 5
So 1231747-27-5 is a valid CAS Registry Number.

1231747-27-5Downstream Products

1231747-27-5Relevant articles and documents

An improved synthesis of a novel α1A partial agonist including a new two-step synthesis of 4-fluoropyrazole

England, Katherine,Mason, Helen,Osborne, Rachel,Roberts, Lee

, p. 2849 - 2851 (2010)

This Letter outlines a new two-step process for the synthesis of 4-fluoropyrazole and its application in an improved synthesis of 4-fluoro-1-[5-fluoro-1-(1H-imidazol-2-yl)-indan-4-ylmethyl]-1H-pyrazole. The original synthesis of 4-fluoro-1-[5-fluoro-1-(1H-imidazol-2-yl)-indan-4-ylmethyl]-1H-pyrazole is also described.

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