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2693-32-5

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2693-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2693-32-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,9 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2693-32:
(6*2)+(5*6)+(4*9)+(3*3)+(2*3)+(1*2)=95
95 % 10 = 5
So 2693-32-5 is a valid CAS Registry Number.

2693-32-5Relevant articles and documents

Reaction of Diazoalkanes with 4-Substituted 1,2,4-Triazole-3,5(4H)-diones

Izydore, Robert A.,Chapman, John J.,Mitchell, John A.,Cummings, Robert,Jones, George T.

, p. 1415 - 1422 (2007/10/02)

Diazoacetic esters reacted with 4-substituted 1,2,4-triazole-3,5(4H)-diones (2) to give one-to-one adducts.Molecular weight determination, high-performance-liquid chromatography, and 2D n.m.r. spectroscopy showed that the adducts are monomers that associate in solution.The monomers are most likely 1,3,5-triazabicyclohexane-2,4-diones.The adducts were thermally isomerized to 3,6-disubstituted 1,3,5-triazine-2,4(1H,3H)-diones.Diphenyldiazomethane reacted with (2) to yield an azomethine imine, which underwent thermal dimerization followed by rearrangement.

STABLE AZOMETHINE IMINES BASED ON 4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE

Korobitsyna, I. K.,Rodina, L. L.,Lorkina, A. V.

, p. 969 - 970 (2007/10/02)

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