Product Name

β-Nicotinamide adenine dinucleotide

CAS NO.

53-84-9

Apperance

White to yellowish powder

Assay

99%

Pacakge

1kg/Foil Bag,25kg/Drum/Box

MOQ

1kg

Storage

Cool and dry place

Shelf Life

2 Years

Brand

Watson

Appearance

White to yellowish powder

Conforms

Purity (HPLC)

≥98.0%

99.0%

Assay of β-NAD (enzym)

Calculated on dried basis

≥97.0%

97.5%

Sodium content (IC)

≤1%

0.02%

Water content (KF)

≤5%

4.1%

pH value in water (100mg/ml)

2.0~4.0

2.33

Methanol (GC)

≤1%

0.03%

Ethanol (GC)

≤2%

0.005%

Heavy metal (AAS)

Pb ≤0.5ppm

Conforms

As ≤0.5ppm

Conforms

Hg ≤0.5ppm

Conforms

Cd ≤0.5ppm

Conforms

Total microbial count

≤750cfu/g

Not detected

Coliform

＜3MPN/g

Not detected

Conclusion

The product   conforms to the above specifications.

Q

Can I get a sample   for free ?

A

For small QTY and   low value product, we can provide sample for free exclude shipping cost. For   high value sample, we will charge the basic sample cost, but we can refund   all the cost if customers place order after sample test.

Q

How to confirm the   product quality before placing orders ?

A

Most of our   products confirm to international standards like USP/EP/BP/JP/CP. We will   provide COA/TDS/MSDS for customers to confirm the specification before   placing order.

Q

What is the payment   you accept?

A

For small and low   value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For   large order, we can do T/T and L/C. Any pay on delivery or pay-after are not   available for us.

Q

What is your   shipment way ?

A

For less than 100kg   gross weight order will ship with courier like FedEx or UPS, we support   customers to place courier orders remotely by their account, we will package   the goods well and wait for pick up.For more than 100kg goods, we will   transport by Air or Sea according to customers' requirement.

Q

How long is your   after-sales service?

A

We accept   customer’s quality complaint in three month after customer received the   goods. We provide tech.support for all-life if customer place order from our   company.

Q

How do you treat quality complaint ?

A

We support customer to provide our products to any   rightful third party testing organization to test our products according to   the COA specification, if the test result is confirm with COA, we will take   all the loss for customers.