Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
|
Definition |
ChEBI: A dicarboxylic acid diamide that consists of N-methylisophthalamide bearing three iodo substituents at positions 2, 4 and 6, a methoxyacetyl substituent at position 5 and two 2,3-dihydroxypropyl groups attached to the amide nitrogens. A ater soluble x-ray contrast agent for intravascular administration. |
|
Brand name |
Ultravist (Berlex). |
|
General Description |
Iopromide is a low-osmolar,nonionic monomer with 48% bound iodine content. It is indicatedfor use in angiography, excretory urography, andnumerous CT procedures. |
InChI:InChI=1/C18H24I3N3O8/c1-24(4-9(28)6-26)18(31)12-13(19)11(17(30)22-3-8(27)5-25)14(20)16(15(12)21)23-10(29)7-32-2/h8-9,25-28H,3-7H2,1-2H3,(H,22,30)(H,23,29)
The invention relates to a preparation m...
The invention belongs to the technical f...
The application of the invention relates...
The present invention relates to an X-ra...
![5-methoxyacetylamino-2,4,6-triiodoisophthalic acid [(2,3-dihydroxy-N-methylpropyl)-(2,3-diacetoxypropyl)]diamide](/upload/2026/7/5e631168-c7d1-4380-8764-a5c7e046cd1d.png)
5-methoxyacetylamino-2,4,6-triiodoisophthalic acid [(2,3-dihydroxy-N-methylpropyl)-(2,3-diacetoxypropyl)]diamide
iopromide
| Conditions | Yield |
|---|---|
|
With
water; sodium hydroxide;
In
N,N-dimethyl acetamide;
at 20 - 25 ℃;
for 10h;
|
85% |
|
With
water; sodium hydroxide;
at 20 - 25 ℃;
for 10h;
Industry scale;
|
C26H32I3N3O12
iopromide
| Conditions | Yield |
|---|---|
|
With
sodium methylate;
In
methanol;
at 75 ℃;
for 8h;
|
100% |
|
C26H32I3N3O12;
With
sodium hydroxide;
at 50 ℃;
for 4h;
With
hydrogenchloride;
pH=2-3;
|
99% |
3-methylamino-propane-1,2-diol
pyrographite
5-methoxyacetylamino-2,4,6-triiodoisophthalic acid [(2,3-dihydroxy-N-methylpropyl)-(2,3-diacetoxypropyl)]diamide
5-nitro-1,3-benzenedicarboxylic acid, monomethyl ester
