Is there an Unicode Symbol for Superscript comma?

Question

While making a translation to a YouTube video (translations can only be in Unicode, no other markup is possible as far as I know of), I stumbled across the concentration of H

Answer 1

No, there is no specific superscript comma in Unicode yet,
but ALTERNATIVE/OTHER CHARACTERS that look-alike or close-to COMMA-symbol can be used, such as this ˒ U+02D2 or ⸴ U+2E34 character.
i have included few other Unicode codepoint for related characters used here.
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｜ UNICODE-     ｜Example-｜GLYPH-in-｜HTML-      ｜
｜ -CODEPOINT:｜-GLYPH:｜   -CODE:   ｜-DECIMAL:｜ DESCRIPTION: ｜ LOOKS-LIKE: ｜
｜ U+UUUU: ｜GLYPH: ｜CODE:       ｜"example"-LINE: ｜
｜- - - - - - - - - - - -
｜ U+02D2 ｜ ˒ ｜ ˒ ｜ ˒ ｜ Modifier Letter Centered Right Half Ring ｜ as superscript-comma ｜
｜ U+02D2 ｜ "1·10⁻³˒⁵ M". ｜ "1·10⁻³˒⁵ M". ｜ example ｜
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｜ U+2E34 ｜ ⸴ ｜ ⸴ ｜⸴｜ Raised Comma ｜ as superscript-comma ｜
｜ U+2E34 ｜ "1·10⁻³⸴⁵ M". ｜ "1·10⁻³⸴⁵ M". ｜ example ｜
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｜ U+0F21 ｜ ༡ ｜ ༡ ｜ ༡ ｜ Tibetan Digit One ｜ as superscript-comma ｜
｜ U+0F21 ｜ "1·10⁻³༡⁵ M". ｜ "1·10⁻³༡⁵ M". ｜ example ｜
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｜ U+1046E ｜