| Nom (anglais): | CJK Unified Ideograph-521D[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: | 0xE5 0x88 0x9D |
| Encodage UTF-16: | 0x521D |
| Encodage UTF-32: | 0x0000521D |
| kCowles | 572 |
| kDaeJaweon | 0310.010 |
| kFennIndex | 97.02 |
| kGSR | 0087a |
| kHanYu | 10327.220 |
| kIRGDaeJaweon | 0310.010 |
| kIRGDaiKanwaZiten | 01911 |
| kIRGHanyuDaZidian | 10327.220 |
| kIRGKangXi | 0137.330 |
| kKangXi | 0137.330 |
| kLau | 351 |
| kMatthews | 1390 |
| kMeyerWempe | 326 |
| kMorohashi | 01911 |
| kNelson | 4215 |
| kSBGY | 066.25 |
| kCantonese | co1 |
| kDefinition | beginning, initial, primary |
| kHangul | 초:0E |
| kHanyuPinlu | chū(405) |
| kHanyuPinyin | 10327.220:chū |
| kJapaneseKun | HAJIME HATSU UI |
| kJapaneseOn | SHO SO |
| kKorean | CHO |
| kMandarin | chū |
| kTang | *chriu |
| kVietnamese | sơ |
| kXHC1983 | 0154.020:chū |