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326855-11-2

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326855-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 326855-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,6,8,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 326855-11:
(8*3)+(7*2)+(6*6)+(5*8)+(4*5)+(3*5)+(2*1)+(1*1)=152
152 % 10 = 2
So 326855-11-2 is a valid CAS Registry Number.

326855-11-2Relevant articles and documents

Novel procedure for selective C-nitrosation of aminopyrimidine derivatives under neutral conditions. Scope and synthetic applications

Marchal, Antonio,Melguizo, Manuel,Nogueras, Manuel,Sánchez, Adolfo,Low, John N.

, p. 255 - 258 (2002)

A novel simple method, based on treatment with isoamyl nitrite (IAN) in DMSO without any added acid, to produce selective C(5)-nitrosation of aminopyrimidine derivatives is described. It proved to be suitable for a multigram scale and applicable to a larger range of pyrimidine derivatives, including amino-dialkoxypyrimidines, than the procedures previously known. Its scope is analyzed and some example on the usefulness of the newly prepared substances as intermediates in the synthesis of fused heterobicyclic derivatives of potential biological interest is presented.

HAIR COLOURANTS COMPRISING TETRAAMINOPYRIMIDINE DERIVATES

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Paragraph 0217; 0218; 0219; 0220, (2017/11/29)

The present disclosure relates to compositions for colouring keratin fibres, in particular human hair, where the composition comprises, in a cosmetic carrier, at least one neutral tetraaminopyrimidine derivate of the general formula (I), (I) in which R1, R2 independently of one another are a group of the formulae (II), (III) or (IV) —(CH2)n— (II) —(CH2)m—O—(CH2)p— (III) —(CH2)m—N(R3)-(CH2)p— (IV) n is 2, 3, 4, 5 or 6, m, p in each case independently of one another are 1, 2 or 3, Y is —OH, —NH2 or —NH-alkyl, R3 is a hydrogen atom, a C1-C6-alkyl group or is a C2-C6-alkenyl group.

Alkoxy-5-nitrosopyrimidines: Useful building block for the generation of biologically active compounds

Marchal, Antonio,Nogueras, Manuel,Sanchez, Adolfo,Low, John N.,Naesens, Lieve,De Clercq, Erik,Melguizo, Manuel

experimental part, p. 3823 - 3830 (2010/10/04)

Several alkoxy-5-nitrosopyrimidines were synthesised and high regioselective and sequential nucleophilic aromatic substitution of methoxy groups in 2-am:ino-4,6-d.imetho;xy-5nitrosopyrimidine was observed. The approach was applied to the synthesis of valu

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