Hangzhou Yierdechem Co. Ltd.

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Profile: Hangzhou Yierdechem Co. Ltd. is a supplier of active pharmaceutical ingredients (APIs) and pharmaceutical intermediates. Our products include organic chemicals, photoinitiators, and ultraviolet absorbents. Our ultraviolet absorbents include 2,2,6,6-tetramethyl-4-piperidinyl stearate, poly[ [ 6-[ (1,1,3,3 - tetramethylbutyl)amino]- 1,3,5 - triazine-2,4-diyl] [ (2,2,6,6 - tetramethyl -4- piperidinyl)imino ] -1,6?hexanediyl [ (2,2,6,6-tetramethyl- 4-piperidinyl)imino]]), drometrizole, and UV absorber 326.

6 Products/Chemicals (Click for related suppliers)

• Active Pharmaceutical Ingredient (API)

• HALS-622LD

IUPAC Name: butanedioic acid; 1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol | CAS Registry Number: 70198-29-7
Synonyms: CID172473, Butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol, 1-(2-Hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine, succinic acid polymer, 182071-76-7, 71990-59-5, 76633-20-0

Molecular Formula:	C₁₅H₂₉NO₆	Molecular Weight:	319.393860 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	7

InChIKey: OFFHCUWJGDPERE-UHFFFAOYSA-N

• Light Stabilizer-944

IUPAC Name: N,N'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine; 2,4,6-trichloro-1,3,5-triazine; 2,4,4-trimethylpentan-2-amine | CAS Registry Number: 70624-18-9
Synonyms: Chimassorb 944, Chimassorb 944FD, Chimassorb 944FL, Chimassorb 944LD, Chimassorb 994LD, Hals 3, Sanduvor 3944, Chimassorb LS 944LD, Sanol 944, Sanol LS 944LD, Sanol LS 944, Hals 944, CR-144, CID93418, LS-118273, N,N'-Bis(2,2,6,6-tetramethyl-4-piperidinyl)hexamethylenediamine, 2,4,6-trichloro-1,3,5-triazine, 1,1,3,3-tetramethylbutylamine polymer, Poly((6-((1,1,3,3-tetramethylbutyl)amino)-1,3,5-triazine-2,4-diyl)((2,2,6,6-tetramethyl-4-piperidinyl)imino)-1,6-hexanediyl((2,2,6,6-tetramethyl-4-piperidinyl)imino)), 1,6-Hexanediamine, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-, polymer with 2,4,6-trichloro-1,3,5-triazine, reaction products with 2,4,4-trimethyl-2-pentanamine, 1,6-Hexanediamine, N1,N6-bis(2,2,6,6-tetramethyl-4-piperidinyl)-, polymer with 2,4,6-trichloro-1,3,5-triazine, reaction products with 2,4,4-trimethyl-2-pentanamine, 100631-57-0

Molecular Formula:	C₃₅H₆₉Cl₃N₈	Molecular Weight:	708.334960 [g/mol]
H-Bond Donor:	5	H-Bond Acceptor:	8

InChIKey: ORECYURYFJYPKY-UHFFFAOYSA-N

• 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole

IUPAC Name: 2-tert-butyl-6-(5-chlorobenzotriazol-2-yl)-4-methylphenol | CAS Registry Number: 3896-11-5
Synonyms: BUMETRIZOLE, UV Absorber-6, Tinuvin-326, Bumetrizole (USAN/INN), Bumetrizole [USAN:INN], ChemDiv3_000001, Bumetrizol [INN-Spanish], Bumetrizolum [INN-Latin], Oprea1_623867, 422479_ALDRICH, CID62531, EINECS 223-445-4, ZINC00056954, IDI1_019319, NCGC00166260-01, NCGC00166260-02, BAS 00510881, ST5232783, D03174, 2-(5-Chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol

Molecular Formula:	C₁₇H₁₈ClN₃O	Molecular Weight:	315.797320 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: OCWYEMOEOGEQAN-UHFFFAOYSA-N

• 2,2,6,6-Tetramethyl-4-piperidinyl stearate

IUPAC Name: (2,2,6,6-tetramethylpiperidin-4-yl) octadecanoate | CAS Registry Number: 167078-06-0
Synonyms: 2,2,6,6-tetramethyl-4-piperidyl stearate, Octadecanoic acid, 2,2,6,6-tetramethyl-4-piperidinyl ester, Light Stabilizer 3853, SureCN226443, AGN-PC-000FQ8, Jsp003369, CTK0J4549, AKOS015895797, AG-E-16444, UV-3853, P291, FT-0655904, ST51053092, 103497-EP2270101A1, 103497-EP2301924A1, A810814, (2,2,6,6-tetramethylpiperidin-4-yl) octadecanoate, I06-1484, octadecanoic acid (2,2,6,6-tetramethyl-4-piperidinyl) ester, 24860-22-8

Molecular Formula:	C₂₇H₅₃NO₂	Molecular Weight:	423.715220 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: JMUOXOJMXILBTE-UHFFFAOYSA-N

• 2-(2'-Hydroxy-5'-methylphenyl) benzotriazole (UV-P)

IUPAC Name: 2-(benzotriazol-2-yl)-4-methylphenol | CAS Registry Number: 2440-22-4
Synonyms: Drometrizole, Benazol P, Tinuvin P, UV Absorber-1, Porex P, Tin P, Drometrizole [USAN:INN], Drometrizolum [INN-Latin], 2-Benzotriazolyl-4-methylphenol, ChemDiv2_000180, Drometrizole (USAN/INN), NCIOpen2_005624, MLS000713327, 533203_ALDRICH, Drometrizol [INN-Spanish, French], Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-, EINECS 219-470-5, NSC 91885, p-Cresol, 2-(2H-benzotriazol-2-yl)-, 2-(2H-Benzotriazol-2-yl)-p-cresol

Molecular Formula:	C₁₃H₁₁N₃O	Molecular Weight:	225.245940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: MCPKSFINULVDNX-UHFFFAOYSA-N