Shipping containers check digit

[drothery]

Hi, can anyone help me out, I need a formula that will work out the check digit for shipping containers, basically they have 4 alpha and 6 numerical chrs then a 7th check digit for example:

SCFU205537 0

All I can tell you is that each of the alpha chars has a number value so too all of the numerical ones as well, I have been searching the net but haven't been able to locate any info.

If anyone knows or has the formula it would be great to hear from you.


Rgds
Mike

 

[AaronYang]

What is your check digit generation rule?
As uou said"each of the alpha chars has a number value so too all of the numerical ones as well",please list the corresponding number value for all the characters.