YELLOW A-4R (CAS 70865-20-2) — formula C19H15N4NaO6S, molecular weight 450.4; category organic chemicals.
YELLOW A-4R is a carbon-based organic compound with CAS registry number 70865-20-2 and molecular formula C19H15N4NaO6S (molecular weight 450.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 70865-20-2
Its molecular formula C19H15N4NaO6S comprises 19 C, 15 H, 4 N, 1 Na, 6 O, 1 S atoms.
Also known as: YELLOW A-4R · Acid Yellow 199
Category: organic chemicals
The CAS registry number of YELLOW A-4R is 70865-20-2.
Molecular formula C19H15N4NaO6S, molecular weight 450.4.
It is also registered under: YELLOW A-4R, Acid Yellow 199.
Category: Organic Chemicals.
Public-database records for YELLOW A-4R (CAS 70865-20-2), reproduced here for independent cross-checking.
| CAS Registry Number | 70865-20-2 |
|---|---|
| PubChem CID | 135666575 |
| 分子式 | C19H15N4NaO6S |
| IUPAC 名称 | sodium 4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate |
| UNII（FDA） | EKG9QR9Y9K |
Acid Yellow 199; 70865-20-2; EINECS 274-950-1; 4-4-(4-hydroxy-2-methylphenyl)azophenylamino-3-nitrobenzenesulphonate (sodium salt); sodium;4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate; Benzenesulfonic acid, 4-[[4-[(4-hydroxy-2-methylphenyl)azo]phenyl]amino]-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-[[4-[2-(4-hydroxy-2-methylphenyl)diazenyl]phenyl]amino]-3-nitro-, sodium salt (1:1); C.I. Acid Yellow 199; 61931-26-8; Telon Yellow 4R; Benzenesulfonic acid, 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-((4-(2-(4-hydroxy-2-methylphenyl)diazenyl)phenyl)amino)-3-nitro-, sodium salt (1:1); Sellacid Orange PF; Nylosan Yellow E 4RL; Best Acid Yellow A 4R; Triacid Fast Yellow 4RL
| 分子量 | 450.4 |
|---|---|
| 氢键供体数 | 2 |
| 氢键受体数 | 9 |
| 可旋转键数 | 4 |
| 精确质量 | 450.06099967 |
| 单同位素质量 | 450.06099967 |
| 拓扑极性表面积 | 168 |
| 重原子数 | 31 |
| 形式电荷 | 0 |
| 复杂度 | 700 |
YELLOW A-4R · CAS 70865-20-2 · C19H15N4NaO6S. UNII EKG9QR9Y9K.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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