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1256288-44-4

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1256288-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256288-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,8 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1256288-44:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*8)+(3*8)+(2*4)+(1*4)=174
174 % 10 = 4
So 1256288-44-4 is a valid CAS Registry Number.

1256288-44-4Downstream Products

1256288-44-4Relevant articles and documents

Process for Preparing 5,7 Diaminopyrazolo [1,5-a] Pyrimidine Compounds

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Page/Page column 14-15, (2012/03/08)

Processes for the preparation of certain 5,7-diaminopyrazolo[1,5-α]pyrimidine compounds comprising the reaction of a primary or secondary amine and a protected 5-halo-7-aminopyrazolo[1,5-α]pyrimidine compound in solvent system comprising water and one or more organic solvents, optionally in the presence of an exogenous base.

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