Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 9H-Purine-2,8-diamine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

644-40-6

644-40-6 structure

644-40-6 structure

Name: 9H-Purine-2,8-diamine
Chemical Name: 7H-purine-2,8-diamine
CAS Number: 644-40-6
Molecular Formula: C₅H₆N₆
Molecular Weight: 150.14100
Create Date: 2017-02-03 10:19:14
Modify Date: 2025-09-23 12:28:28

Name	7H-purine-2,8-diamine
Synonyms	9H-Purine-2,8-diamine 1H-PURINE-2,8-DIAMINE 2,8-Diaminopurin 7(9)H-purine-2,8-diamine 2.6-Diamino-purin

Density	1.743g/cm3
Boiling Point	596.5ºC at 760 mmHg
Molecular Formula	C₅H₆N₆
Molecular Weight	150.14100
Flash Point	350.2ºC
Exact Mass	150.06500
PSA	106.50000
LogP	0.67970
Index of Refraction	1.939

HS Code	2933990090

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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