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897299-71-7

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897299-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 897299-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,2,9 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 897299-71:
(8*8)+(7*9)+(6*7)+(5*2)+(4*9)+(3*9)+(2*7)+(1*1)=257
257 % 10 = 7
So 897299-71-7 is a valid CAS Registry Number.

897299-71-7Downstream Products

897299-71-7Relevant articles and documents

Direct synthesis of 5- and 6-substituted 2-aminopyrimidines as potential non-natural nucleobase analogues

Radhakrishnan,Sharma, Namita,Kundu, Lal Mohan

, p. 15087 - 15090 (2014)

A series of 2-aminopyrimidine derivatives, substituted at 5- and 6-positions, were synthesized. The reaction was carried out in a single step by treatment of the corresponding β-ketoester or β-aldehydoester with guanidine hydrochloride in the presence of K2CO3, in a microwave-assisted method without the requirement of solvent. A unique 1:1 co-crystal structure was obtained which shows that a 6-phenyl-2- aminopyrimidinone forms a strong nucleobase-pair with cytosine, involving three hydrogen bonds. The base-pair was found to be as strong as that of natural guanine:cytosine (G:C), signifying the potential application of the synthesized derivatives. Additionally, we also report a second co-crystal involving 5-isopropyl-6-methyl-2-aminopyrimidinone and cytosine in a 1:1 ratio, which also shows strong base-pairing properties. the Partner Organisations 2014.

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