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128302-11-4

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128302-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128302-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,0 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128302-11:
(8*1)+(7*2)+(6*8)+(5*3)+(4*0)+(3*2)+(2*1)+(1*1)=94
94 % 10 = 4
So 128302-11-4 is a valid CAS Registry Number.

128302-11-4Downstream Products

128302-11-4Relevant articles and documents

Reaction of Nitriles under Acidic Conditions. Part VI. Synthesis of Condensed 4-Chloro- and 4-Aminopyrimidines from ortho-Aminonitriles

Shishoo, C. J.,Devani, M. B.,Bhadti, V. S,Jain, K. S.,Ananthan, S.

, p. 119 - 126 (2007/10/02)

Condensation of a nitrile with benzene, furan and thiophene ortho-aminonitriles in the presence of dry hydrogen chloride yields condensed 4-chloropyrimidines, condensed 4-aminopyrimidines or a mixture of the two condensed pyrimidines in varying proportions depending upon the nature of the nitrile and the substrate, ortho-aminonitrile.

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