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1789-25-9

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1789-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1789-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,8 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1789-25:
(6*1)+(5*7)+(4*8)+(3*9)+(2*2)+(1*5)=109
109 % 10 = 9
So 1789-25-9 is a valid CAS Registry Number.

1789-25-9Downstream Products

1789-25-9Relevant articles and documents

Synthesis of heterobicyclic nitrogen systems bearing the 1,2,4-triazine moiety as anti-HIV and anticancer drugs: Part I

Abdel-Rahman, Reda M.,Morsy,Hanafy,Amene

, p. 347 - 351 (2007/10/03)

Some new heterobicyclic nitrogen systems bearing the 1,2,4-triazine moiety (3-22) have been achieved by treatment of 3-amino-5,6-disubstituted- 1,2,4-triazines 2a-h with some cyclic and acyclic oxygen compounds followed by heterocyclization. Structures of the products have been deduced by elemental analysis and spectral data. Significant anti-HIV and anticancer activities were observed in vitro for some members of the series, where compounds 5 and 18 showed a moderate activity.

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