CAS NUMBER required?

Question

what is CAS number of following;

1. HEPTAKIS(2,6 DI-O-METHYL)-B-CYCLODEXTRIN

2. L-CYSTEINE HYDROCHLORIDE MONOHYDRATE (HS NUMBER 29309016000)

3. GUANIDINE HYDROCHLORIDE (HS NUMBER 29252900900)

4. 2- (cyclohexylamino) ethane sulphonic acid (HS number 29213099900)

5. FETUIN from fetal calf serum (HS number 30021091000)

Answer 1

I know that CAS numbers are usually listed on MSDS sheets. If you can look up the MSDS sheet for these compounds (Sigma-Aldrich website http://www.sigmaaldrich.com might have them), you should be able to find the CAS numbers.

Answer 2

When I searched the link asked me to pay

I give you the link but not sure it will help you