Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Methyl-6-mercapto-2-pyrimidinol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

638-13-1

638-13-1 structure

638-13-1 structure

Name: 4-Methyl-6-mercapto-2-pyrimidinol
Chemical Name: 6-methyl-4-sulfanylidene-1H-pyrimidin-2-one
CAS Number: 638-13-1
Molecular Formula: C₅H₆N₂OS
Molecular Weight: 142.17900
Create Date: 2018-12-01 21:07:03
Modify Date: 2025-09-20 11:44:48

Name	6-methyl-4-sulfanylidene-1H-pyrimidin-2-one
Synonyms	4-methyl-6-sulfanylpyrimidin-2-ol F3098-3696

Density	1.36g/cm3
Boiling Point	387.8ºC at 760 mmHg
Molecular Formula	C₅H₆N₂OS
Molecular Weight	142.17900
Flash Point	188.4ºC
Exact Mass	142.02000
PSA	84.81000
LogP	0.77930
Index of Refraction	1.638

HS Code	2933599090

626-48-2 structure

626-48-2

~94%

638-13-1 structure

638-13-1

Literature: Lapucha, Andrzej R. Synthesis, 1987 , # 3 p. 256 - 258

6310-04-9 structure

6310-04-9

~%

638-13-1 structure

638-13-1

Literature: Wheeler; McFarland American Chemical Journal, 1909 , vol. 42, p. 435

Precursor 2
626-48-2 6310-04-9
DownStream 3
105246-05-7 105279-32-1 16710-13-7

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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