Wholesale White Crystalline Powder API Intermediate CAS 117-21-5 3-Chlorophthalic Anhydride

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Product Name CAS MF MW EINECS Mol File
5-Nitroisophthalic acid 618-88-2 C8H5NO6 211.13 210-568-3 618-88-2.mol
5-Aminoisophthalic acid 99-31-0 C8H7NO4 181.15 202-748-5 99-31-0.mol
Dimethyl 5-nitroisophthalate 13290-96-5 C10H9NO6 239.18 236-307-3 13290-96-5.mol
3-Nitrophthalic anhydride 641-70-3 C8H3NO5 193.11 211-373-6 641-70-3.mol
3-Nitrophthalic acid 0603-11-2 C8H5NO6 211.13 210-030-8 603-11-2.mol
3-Nitrophthalimide 603-62-3 C8H4N2O4 192.13 210-051-2 603-62-3.mol
4-Nitrophthalic anhydride 5466-84-2 C8H3NO5 193.11 226-776-2 5466-84-2.mol
4-Nitrophthalimide 89-40-7 C8H4N2O4 192.13 201-905-5 89-40-7.mol
4-Nitrophthalonitrile 31643-49-9 C8H3N3O2 173.13 250-748-9 31643-49-9.mol
4-Nitro-N-methylphthalimide 41663-84-7 C9H6N2O4 206.15 255-483-2 41663-84-7.mol
4-AMINO-N-METHYLPHTHALIMIDE 2307-00-8 C9H8N2O2 176.17 - 2307-00-8.mol
L-Theanine 3081-61-6 C7H14N2O3 174.2 221-379-0 3081-61-6.mol
3-CHLOROPHTHALIC ANHYDRIDE 117-21-5 C8H3ClO3 182.56 204-179-8 117-21-5.mol
4-Chlorophthalic anhydride 118-45-6 C8H3ClO3 182.56 204-251-9 118-45-6.mol
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Frequently Asked Questions

What are the main applications of 5-Nitroisophthalic acid?

5-Nitroisophthalic acid (CAS 618-88-2) is primarily utilized as a vital intermediate in the synthesis of organic chemicals, pharmaceuticals (such as contrast agents), and high-quality colorants.

Do you provide quality documentation like COA and MSDS?

Yes, we provide full quality documentation including Certificate of Analysis (COA), Material Safety Data Sheets (MSDS), and gas chromatography / HPLC reports upon request for all listed products.

What is the standard packaging and shipping method?

Standard packaging varies from 1kg foil bags to 25kg fiber drums, depending on the physical state and order volume of the chemicals. We ensure secure, compliant containment suitable for sea, air, or express courier shipping.

How should L-Theanine be stored to ensure stability?

L-Theanine (CAS 3081-61-6) should be stored in a cool, dry, and well-ventilated area, kept away from direct sunlight, moisture, and incompatible substances. Always seal containers tightly after use.

Can you supply custom specifications or scale-up quantities?

Yes, we are equipped to support demands ranging from laboratory-scale testing quantities to industrial bulk supply. Please specify your desired CAS number, purity requirement, and target volume when contacting us.

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