美国CIL公司新生儿筛选标准品
Cambridge Isotope Laboratories,Inc About New Born Screening Tests

◆ Product Description: Labeled Amino Acid Standards（氨基酸混标）
Component1 Purity2 Target Concentration
(μM)3 Concentration by Gravimetry
(μM)4 Analyzed Concentration
(μM)5
L-Alanine (2,3,3,3-D4,98%) ≥98% 500±100 499.0 494±11.9
L-Phenylalanine (ring-13C6, 99%) ≥98% 500±100 500.2 483±4.0
L-Leucine (5,5,5-D3,98%) ≥98% 500±100 499.4 493±2.7
L-Valine (D8, 98%) ≥98% 500±100 500.4 516±6.3
L-Argininne:HCl (5-13C,99%,
4,4,5,5-D4,95%) ≥98% 500±100 625.3 620±17.4
L-Citrulline (5,5-D2,98%) ≥98% 500±100 499.9 495±3.7
DL-Glutamic Acid(2,4,4-D3,97-
98%) ≥98% 500±100 549.7 560±5.3
L-Tyrosine (ring-13C6, 99%) ≥98% 500±100 500.2 499±2.8
L-Omithine:HCl (5,5-D2,98%) ≥98% 500±100 499.8 487±4.9
L-Methionine (methyl-D3, 98%) ≥98% 500±100 499.6 471±3.9
L-Aspartic Acid (2,3,3-D3,98%) ≥98% 500±100 499.3 485±6.3
Glycine (2-13C,99%,15N,98%+) ≥98% 2500±100 2498.4 2489±34.2
Catalog Number: NSK-A

◆ Product Description: Labeled Carnitine Standards（肉碱混标）
Catalog Number: NSK-B
Component
(Isotopic Label, Enrichment) Concentration
(μM) Estimated Error
L-Carnitine (N-trimethyl-D9, 98%) 152.0±15.2 ±10%
L-Acetylcarnitine (N-methyl-D3, 98%) 38.0±3.8 ±10%
L-Propionylcarnitine (N-methyl-D3, 98%) 7.6±0.76 ±10%
L-Butyrylcarmitine (N-methyl-D3, 98%) 7.6±0.76 ±10%
L-Isovalerylcarnitine (N-trimethyl-D9,98%) 7.6±0.76 ±10%
L-Octanoylcarnitine (N-methyl-D3,98%) 7.6±0.76 ±10%
L-Myristoylcarnitine (N-trimethyl-D9,98%) 7.6±0.76 ±10%
L-Palmitoylcarnitine (N-methyl-D3,98% 15.2±1.5 ±10%