Russian Bank Account (Расчётный счёт) Validator
Check a 20-digit Russian bank account number against its 9-digit BIK using the Central Bank weighted-checksum algorithm (Положение 579-П).
How to Use the Russian Bank Account (Расчётный счёт) Validator
- Paste the 20-digit account number.
- Paste the 9-digit BIK.
- Click Calculate.
حالات الاستخدام
- •Pre-checking supplier payment details.
- •Data-entry validation in accounting systems.
- •Import / onboarding data cleaning.
الصيغة
Take the last three digits of BIK + the 20-digit account, multiply digit-by-digit by weights [7,1,3] repeated, sum the last digits of each product. Valid if the sum ends in 0.
الأسئلة الشائعة
Does this confirm the account exists?
No — it only verifies the structure and the Central Bank checksum. Whether the account is open at a real bank can only be confirmed by the bank or a payment processor.
Which bank regulation?
Bank of Russia Regulation 579-П (and its successor 809-П) defines the weighted-checksum control digit for ruble correspondent and settlement accounts.