Validador de cédula y RUC de Ecuador
Check any Ecuadorian cédula or RUC in one step: province, taxpayer type and check digit. Runs offline in your browser.
Three steps, no signup
Pegue la cédula o el RUC
Paste a 10-digit cédula or a 13-digit RUC. Spaces and dashes are ignored.
Vea el resultado
Province, taxpayer type (persona natural, sociedad privada, entidad pública) and the check digit.
Úselo antes de facturar
A wrong cédula or RUC is one of the most common reasons the SRI rejects an electronic invoice.
Questions about this tool
¿Cómo se valida una cédula ecuatoriana?
The first two digits are the province (01–24, or 30 for Ecuadorians abroad), the third digit is below 6, and the tenth digit is a módulo 10 check digit: the first nine digits are multiplied by 2,1,2,1,2,1,2,1,2, results above 9 are reduced by 9, and the check digit is what brings the sum to the next multiple of 10.
¿Cómo se valida un RUC?
It depends on the third digit. Below 6: persona natural, the first 10 digits are a valid cédula plus an establishment code such as 001. 9: sociedad privada, módulo 11 with weights 4,3,2,7,6,5,4,3,2. 6: entidad pública, módulo 11 with weights 3,2,7,6,5,4,3,2 and the check digit in position 9.
¿Por qué un RUC real puede salir como inválido?
Some RUC numbers issued in recent years for companies do not follow the classic módulo 11 rule. If the SRI website shows the RUC as active, it is valid even when the check digit test fails. The tool tells you when this may be the case.
Does this tool look up the taxpayer name?
No. It checks the number offline in your browser. To see the name and status use the SRI public RUC search.
Built for SAP Business One teams
Facturación electrónica SRI en SAP Business One
We integrate SAP B1 with the SRI: XML, firma electrónica, autorización, RIDE and email. Fixed price, usually quoted within 24 hours.