Shanghai Xianlei Bioscience and Biotechnology Co., Ltd.

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Contact: Dr. Stones King
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Profile: Shanghai Xianlei Bioscience and Biotechnology Co., Ltd. is a manufacturer and supplier of food additives & nucleotides. Our main products are lactobacillus acidophilus, bidifobacterium longum, lactobacillus paracasei, lactobacillus rhamnosus, nisin, and natamycin. We offer nucleosides like adenosine, guanosine, cytidine, uridine, 5-fluorocytidine, and 5-fluorouridine.

15 Products/Chemicals (Click for related suppliers)

• Adenine

IUPAC Name: 7H-purin-6-amine | CAS Registry Number: 73-24-5
Synonyms: adenine, 6-Aminopurine, Adenin, Adeninimine, 1H-Purin-6-amine, Vitamin B4, Leuco-4, 2-aminopurine, Purine, 6-amino-, 9H-Purin-6-amine, Leucon, 6-Amino-1H-purine, 6-Amino-3H-purine, 6-Amino-7H-purine, 6-Amino-9H-purine, adenine-ring, Pedatisectine B, Adenine [JAN], 1jys, 1nli

Molecular Formula:	C₅H₅N₅	Molecular Weight:	135.126700 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: GFFGJBXGBJISGV-UHFFFAOYSA-N

• Cytosine

IUPAC Name: 6-amino-1H-pyrimidin-2-one | CAS Registry Number: 71-30-7
Synonyms: cytosine, Cytosinimine, Cytosin, Zytosin, 4-Amino-2-hydroxypyrimidine, 4-Aminouracil, 2(1H)-Pyrimidinone, 4-amino-, Cytosine (8CI), 4-amino-2-pyrimidinol, 4-Amino-2(1H)-pyrimidinone, Ambap7385, MLS001332635, MLS001332636, 4-aminopyrimidin-2(1H)-one, C3506_SIGMA, CID597, 2(1H)-pyrimidinone, 6-amino-, 30430_FLUKA, CHEBI:16040, EINECS 200-749-5

Molecular Formula:	C₄H₅N₃O	Molecular Weight:	111.102000 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: OPTASPLRGRRNAP-UHFFFAOYSA-N

• Guanine

IUPAC Name: 2-amino-3,7-dihydropurin-6-one | CAS Registry Number: 73-40-5
Synonyms: guanine, Mearlmaid, Pathocidin, Guanin, Pearl essence, Guanine enol, Stella Polaris, Naturon, Dew Pearl, 2-Amino-6-hydroxypurine, cytosine, 2-Aminohypoxanthine, Natural white 1, Purine analog, 2-Amino-6-purinol, CI Natural white 1, Mearlmaid AA, Natural pearl essence, Hypoxanthine, 2-amino-, 6-Hydroxy-2-aminopurine

Molecular Formula:	C₅H₅N₅O	Molecular Weight:	151.126100 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: UYTPUPDQBNUYGX-UHFFFAOYSA-N

• Hypoxanthine

IUPAC Name: 3,7-dihydropurin-6-one | CAS Registry Number: 68-94-0
Synonyms: hypoxanthine, 6-Hydroxypurine, Sarcine, Sarkine, Sarkin, 6-Oxopurine, Hypoxanthine enol, 9H-Purin-6-ol, Purin-6-ol, Purine analog, Purin-6(1H)-one, Purine-6-ol, 6(1H)-Purinone, 3H-Purin-6-ol, Purin-6(3H)-one, 1vfn, 6-Hydroxy-1H-purine, 9H-Purin-6(1H)-one, Hypoxanthine (VAN), Hypoxanthine-8-14C

Molecular Formula:	C₅H₄N₄O	Molecular Weight:	136.111460 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: FDGQSTZJBFJUBT-UHFFFAOYSA-N

• Thymine

IUPAC Name: 5-methyl-1H-pyrimidine-2,4-dione | CAS Registry Number: 65-71-4
Synonyms: thymine, 5-methyluracil, Thymin, Thymine anhydrate, Thymin (purine base), Thymine-t, 5-Methyl Uracil, Thymine (VAN), (3H)Methylthymidine, Thymine (8CI), Thymine-2-14C, 2,4-Dihydroxy-5-methylpyrimidine, nchembio.108-comp2, Ambap7384, CCRIS 5584, 2,4(1H,3H)-Pyrimidinedione, 5-methyl-, Thymine (VAN) (8CI), NSC14705, T0376_SIGMA, T0895_SIGMA

Molecular Formula:	C₅H₆N₂O₂	Molecular Weight:	126.113340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: RWQNBRDOKXIBIV-UHFFFAOYSA-N

• Uracil

IUPAC Name: 1H-pyrimidine-2,4-dione | CAS Registry Number: 66-22-8
Synonyms: uracil, 2,4-Dihydroxypyrimidine, 2,4(1H,3H)-Pyrimidinedione, 2,4-Pyrimidinediol, pyrimidine-2,4(1H,3H)-dione, 2,4-Dioxopyrimidine, 2,4-Pyrimidinedione, Pirod, Pyrod, pyrimidine-2,4-diol, Hybar X, 1H-Pyrimidine-2,4-dione, 51953-14-1, RU 12709, Ura, Uracil [USAN], 1,2,3,4-tetrahydropyrimidine-2,4-dione, CCRIS 3077, Urazil, 2-Hydroxy-4(3H)-pyrimidinone

Molecular Formula:	C₄H₄N₂O₂	Molecular Weight:	112.090 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: ISAKRJDGNUQOIC-UHFFFAOYSA-N

• 5-Fluorocytosine

IUPAC Name: 6-amino-5-fluoro-1H-pyrimidin-2-one | CAS Registry Number: 2022-85-7
Synonyms: flucytosine, Fluocytosine, Flucytosin, Ancobon, Fluorcytosine, Ancotil, 5-Fluorocytosin, 5-Fluorocystosine, Alcobon, Fluorocytosine, Flucytosone, Ancotyl, Cytosine, 5-fluoro-, 5-Flurocytosine, 5-FC, Ancobon (TN), Flucitosina [DCIT], Flucytosinum [INN-Latin], 5-Fluorocytosine-6-3H, Prestwick0_000934

Molecular Formula:	C₄H₄FN₃O	Molecular Weight:	129.092463 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: XRECTZIEBJDKEO-UHFFFAOYSA-N

• 2,4-Dichloropyrimidine

IUPAC Name: 2,4-dichloropyrimidine | CAS Registry Number: 3934-20-1
Synonyms: Pyrimidine, 2,4-dichloro-, nchembio826-comp5, 2,6-Dichloropyrimidine, 143847_ALDRICH, AIDS167215, AIDS-167215, ALBB-006256, NSC20212, NSC37531, NSC49119, EINECS 223-508-6, NSC 20212, NSC 37531, NSC 49119, ZINC01571020, D2489G5, AI3-26561, TL8002842, T5421466, InChI=1/C4H2Cl2N2/c5-3-1-2-7-4(6)8-3/h1-2

Molecular Formula:	C₄H₂Cl₂N₂	Molecular Weight:	148.978080 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: BTTNYQZNBZNDOR-UHFFFAOYSA-N

• 2,6-Diaminopurine

IUPAC Name: 7H-purine-2,6-diamine | CAS Registry Number: 1904-98-9
Synonyms: 2-Aminoadenine, Diaminopurine, 1H-Purine-2,6-diamine, 2-6-Diaminopurine, Purine, 2,6-diamino-, Purine-2,6-diyldiamine, 9H-Purine-2,6-diamine, 7H-purine-2,6-diamine, CCRIS 923, Purine, 2, 6-diamino-, Oprea1_670021, MLS001066366, NSC 743, 247847_ALDRICH, C5H6N6, NSC743, EINECS 217-605-2, AIDS023709, SQ 21065, X 79

Molecular Formula:	C₅H₆N₆	Molecular Weight:	150.141340 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	6

InChIKey: MSSXOMSJDRHRMC-UHFFFAOYSA-N

• 2,6-DichloroPurine

IUPAC Name: 2,6-dichloro-7H-purine | CAS Registry Number: 5451-40-1
Synonyms: 2,6-Dichloropurine, 2, 6-Dichloropurine, Purine, 2,6-dichloro-, 2,6-dichloro-9H-purine, 2,6-Dichloro-1H-purine, 1H-Purine, 2,6-dichloro-, 2,6-DICHLORO PURINE, D73103_ALDRICH, 9H-purine, 2,6-dichloro-, 36390_FLUKA, AIDS021810, BM032, AIDS-021810, NSC18395, EINECS 226-681-6, NSC 18395, SBB000271, ZINC01769175, 1H-Purine, 2,6-dichloro- (9CI), KS-1014

Molecular Formula:	C₅H₂Cl₂N₄	Molecular Weight:	189.002180 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: RMFWVOLULURGJI-UHFFFAOYSA-N

• 5-Chloro Uracil

IUPAC Name: 5-chloro-1H-pyrimidine-2,4-dione | CAS Registry Number: 1820-81-1
Synonyms: 5-CHLOROURACIL, Uracil, 5-chloro-, 2,4(1H,3H)-Pyrimidinedione, 5-chloro-, Uracil, 5-chloro- (VAN), 224588_ALDRICH, NSC28172, EINECS 217-339-7, 5-Chloro-2,4-dihydroxypyrimidine, NSC 28172, AIDS081812, AIDS-081812, SBB004103, ZINC01646314, Uracil, 5-chloro- (VAN) (8CI), AI3-26560, 5-chloropyrimidine-2,4(1H,3H)-dione, NCI60_002298, LS-158598, InChI=1/C4H3ClN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9

Molecular Formula:	C₄H₃ClN₂O₂	Molecular Weight:	146.531820 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: ZFTBZKVVGZNMJR-UHFFFAOYSA-N

• 5-Azacytosine

IUPAC Name: 6-amino-1H-1,3,5-triazin-2-one | CAS Registry Number: 931-86-2
Synonyms: s-Triazin-2-ol, 4-amino-, 4-Amino-1,3,5-triazin-2-one, 855049_ALDRICH, 2-Amino-4-hydroxy-sym-triazine, s-Triazin-2(1H)-one, 4-amino-, 11387_FLUKA, EINECS 213-242-9, 4-AMINO-S-TRIAZIN-2-OL, NSC 51100, NSC 54006, AIDS023084, 1,3,5-Triazin-2(1H)-one, 4-amino-, AIDS-023084, NSC51100, NSC54006, 4-Amino-1,3,5-triazin-2(1H)-one, ZINC01845522, LS-155640, TL8005911, A-9450

Molecular Formula:	C₃H₄N₄O	Molecular Weight:	112.090060 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: MFEFTTYGMZOIKO-UHFFFAOYSA-N

• 2-Amino-6-Chloropurine

IUPAC Name: 6-chloro-7H-purin-2-amine | CAS Registry Number: 10310-21-1
Synonyms: 6-Chloroguanine, 2-Amino-6-chloropurine, 2-Amino-6-chlorpurine, 6-Chloro-2-aminopurine, Purine, 2-amino-6-chloro-, 1H-Purin-2-amine, 6-chloro-, 6-Chloro-7H-purin-2-ylamine, 109789_ALDRICH, 342300_ALDRICH, EINECS 233-686-7, 6-CHLORO-1H-PURIN-2-AMINE, NSC 29570, AIDS024269, AIDS-024269, NSC29570, SBB003863, ZINC03860888, 1H-Purin-2-amine, 6-chloro- (9CI), LS-126471, C-4110

Molecular Formula:	C₅H₄ClN₅	Molecular Weight:	169.571760 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: RYYIULNRIVUMTQ-UHFFFAOYSA-N

• 5-Fluorouracil

IUPAC Name: 5-fluoro-1H-pyrimidine-2,4-dione | CAS Registry Number: 51-21-8
Synonyms: fluorouracil, Fluoroplex, Adrucil, Efudex, Fluoroblastin, Kecimeton, Carzonal, Fluracil, Timazin, Arumel, Efudix, Fluril, Phthoruracil, Fluracilum, Queroplex, Carac, Ulup, Fluro Uracil, Fluorouracilum, Fluroblastin

Molecular Formula:	C₄H₃FN₂O₂	Molecular Weight:	130.077223 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: GHASVSINZRGABV-UHFFFAOYSA-N

• 6-Chloropurine

IUPAC Name: 6-chloro-7H-purine | CAS Registry Number: 87-42-3
Synonyms: 6-CHLOROPURINE, Purine, 6-chloro-, 6-Chlorpurine, 6-Chloro-9H-purine, 1H-Purine, 6-chloro-, 6-Chloro-1H-purine, 6-chloro-7H-purine, 6-CP, NSC 744, 161179_ALDRICH, 511617_ALDRICH, NSC744, 26260_FLUKA, EINECS 201-745-6, SK 6048, 1H-Purine, 6-chloro- (9CI), AIDS020977, X 47, AIDS-020977, SBB004030

Molecular Formula:	C₅H₃ClN₄	Molecular Weight:	154.557120 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: ZKBQDFAWXLTYKS-UHFFFAOYSA-N