if it was 44 characters then it would be a private key Base64 (MINI) and can be used directly on bitaddress.org
A mini private key has 30 characters. I know a 44 character long format, but it's base64:
Example: CA9A061710B8BC582E1B8BB60D0F3F2751791888AB5C18737620087ABDF74A05[/li]
[li]
Private Key (44 characters
base64)
(less common).
Example: ypoGFxC4vFguG4u2DQ8/J1F5GIirXBhzdiAIer33SgU=[/li]
[li]
Mini private key (30 characters
base58, starting with "S", see
wiki)
Example: Sf2i92UoH3kMooYXHdDQ4YQvLTdPrQ[/li][/list]