Detail of "583-93-7"

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CAS Number:
583-93-7
Name:
Heptanedioic acid,2,6-diamino-
Molecular Structure:
Formula:
C₇H₁₄N₂O₄
Molecular Weight:
190.1971
Synonyms:
2,6-Diaminoheptanedioicacid;2,6-Diaminopimelic acid;Diaminopimelic acid;NSC 45225;a,a'-Diaminopimelic acid;a,e-Diaminopimelic acid;
EINECS:
209-524-6
Density:
1.344 g/cm³
Melting Point:
295 °C (dec.)(lit.)
Boiling Point:
426.7 °C at 760 mmHg
Flash Point:
211.8 °C
Appearance:
white to beige powder and/or chunks
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36/37 Details

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2,6-Diaminopimelic acid

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Determination of bacterial nitrogen in rumen by measuring diaminopimelic acid levels: Determination of bacterial nitrogen in rumen by measuring diaminopimelic acid levels. Arnould, R.; Vervack, W.; Vanbelle, M.; Pastor, C.; Bonge, D. (Lab. Biochim. Nutr., Fac. Sci. Agron., Louvain-la-Neuve, Belg.). Publ. Lab. Biochim. Nutr. (Univ. Cathol. Louvain, Fac. Sci. Agron.), 15, 15 pp. (French) 1976. CODEN: PLBNDJ. DOCUMENT TYPE: Journal CA Section: 18 (Animal Nutrition) Section cross-reference(s): 9 With a given diet, the .alpha.,.epsilon.-diaminopimelic acid [CH2(CH2CHNH2CO2H)2] (I) [583-93-7] of rumen fluid correlated with its bacterial N content, and was considered to be a good index of rumen fermn. activity. However, when comparing results among various rations, deliberately chosen as extreme types, with and without urea, there was a >2-fold variation in the bacterial N-to-I ratio, making application of the method difficult when comparing different feeds. I was sepd. from an HCl hydrolyzate of rumen fluid by ion-exchange chromatog. followed by detn. of the color produced with ninhydrin at 440 m.mu.. Bacterial N was detd. by Kjeldahl digestion of the bacterial suspension after filtration of the rumen fluid, centrifugation at 1.1 g to remove protozoa and feed particles, and ultracentrifugation of the supernatant at 22,000 g to ppt. the bacteria.

Formol protection of cotton and alfalfa protein from degradation in rumen: Formol protection of cotton and alfalfa protein from degradation in rumen. Vanbelle, M.; Arnould, R.; Fockedey, J.; Vervack, W. (Fac. Sci. Agron., Univ. Cathol. Louvain, Louvain, Belg.). Publ. Lab. Biochim. Nutr. (Univ. Cathol. Louvain, Fac. Sci. Agron.), 16, 17 pp. (French) 1976. CODEN: PLBNDJ. DOCUMENT TYPE: Journal CA Section: 18 (Animal Nutrition) Formalin added to a ration contg. alfalfa and cottonseed meals as the protein source at 2 kg H2CO [50-00-0]/100 kg total N and fed to sheep had a deleterious effect on N balance and digestibility of protein and cellulose [9004-34-6] and decreased the metabolizable energy of the feed. Addn. of di-NH4 citrate [3012-65-5] to the formalin-treated ration improved rumen fermn., as detd. by its increased diaminopimelic acid [583-93-7] content, cellulose and protein digestion, and N balance.