| Nom (anglais): | CJK Unified Ideograph-8521[1] |
| Version Unicode: | 1.1 (juin 1993)[2] |
| Bloc: | Idéogrammes unifiés CJC, U+4E00 - U+9FFF[3] |
| Plan: | Plan multilingue de base, U+0000 - U+FFFF[3] |
| Écriture: | idéogrammes han (sinogrammes) (Hani) [4] |
| Catégorie: | Lettre, autre (Lo) [1] |
| Classe bidirectionelle: | Gauche-à-droite (L) [1] |
| Classe de liaison: | Non réordonné (0) [1] |
| Caractère miroir: | Non [1] |
| Entité HTML: |
|
| Encodage UTF-8: | 0xE8 0x94 0xA1 |
| Encodage UTF-16: | 0x8521 |
| Encodage UTF-32: | 0x00008521 |
| kDaeJaweon | 1517.170 |
| kFennIndex | 541.07 |
| kGSR | 0337i |
| kHanYu | 53282.100 |
| kIRGDaeJaweon | 1517.170 |
| kIRGDaiKanwaZiten | 31818 |
| kIRGHanyuDaZidian | 53282.100 |
| kIRGKangXi | 1055.030 |
| kKangXi | 1055.030 |
| kMatthews | 6673 |
| kMeyerWempe | 3445a |
| kMorohashi | 31818 |
| kSBGY | 382.54 |
| kCantonese | coi3 |
| kDefinition | surname; species of tortoise |
| kHangul | 채:0N |
| kHanyuPinyin | 53282.100:cài,sà,cā |
| kJapaneseKun | AKUTA OTOROERU HERASU |
| kJapaneseOn | SAI SATSU |
| kKorean | CHAY SAL |
| kMandarin | cài |
| kTang | *tsɑ̀i |
| kXHC1983 | 0101.040:cài |