USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $25.10-28.30 / Gram
USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $2.00-10.00 / Kilogram
USD $10.00-10.00 / Gram
product name |
2-chloro-4-nitrophenol |
cas no |
619-08-9 |
formula |
c6h4clno3 |
molecuht weight |
173.55 |
appearance |
white to beige crystalline powder or crystals |
application |
pharmaceutical/syntheses material intermediates |
item |
standard |
test results |
|
identification |
a.h-nmr:comply with the structure |
complies |
|
b.lc-ms:comply with the structure |
complies |
||
c.the ir spectrum of sample should be identical with that of reference standard; |
complies |
||
d.hplc-esi-ms |
complies |
||
the retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay. |
|||
heavy metals |
≤10 ppm |
<10ppm |
|
water |
≤1.0% |
0.10% |
|
sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
|
related substances |
unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
total impurity |
≤0.5% |
0.18% |
|
purity |
≥99.0% |
99.70% |
|
assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
|
storage |
preserve in well-closed, light-resistant and airtight containers. |
complies |