天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >API>Vitamins and Minerals medicines>Vitamin B drugs>Methylcobalamin
Methylcobalamin
  • Methylcobalamin
  • Methylcobalamin

Methylcobalamin NEW

Price $1800
Package ≥100kg
Min. Order: 100kg
Supply Ability: 50 tons
Update Time: 2024-09-11
Related documents: MSDS

Product Details

Product Name: Methylcobalamin CAS No.: 13422-55-4
EC-No.: 200-386-2 Min. Order: 100kg
Purity: 99% Supply Ability: 50 tons
Release date: 2024/09/11



Product Name: VITAMIN B12 (CYANOCOBALAMIN)
Type: Vitamins
Origin: China
CAS No.: 68-19-9
AUCO No.: 817
Packing: 1kg tin


ItemsStandard
AppearanceDark red crystal or crystalline powder, with no smell and no taste; hygroscopicity.
Identification AA361nm/A278nm:1.70-1.90
A361nm/A550nm:3.15-3.40
Identification BThe retention time of major peak of the sample should be consistent with the standard solution.
Identification CPositive
Infrared SpectrumInfrared spectrum of the sample should be consistent with the reforence map.
Loss on drying≤10.0%
Assay97.0%~102.0%
7β、8β-lactocyanocobalamin≤1.0%
50-carboxyeyanocobalamin≤0.5%
34-methylcyanocobalamin≤2.0%
32-carboxyeyanocobalamin≤1.0%
8-Epi-cyanocobalamin≤1.0%
Any other unidentified≤0.5%
Total impurities≤3.0%
Total aerobic bacteria count≤1000cfu/g
Molds、Yeasts≤100cfu/g
E、coliNegative
Residual solventsAcetone≤0.5%


Article illustration

Article illustration

Article illustration

Article illustration Article illustration


Why Choose Us: 

1. Over 15 Years Experience.

2. Supervision Each Step of your order; Relieve your worries.
1) Contact our professional sales team, we will reply you within 12 hours.
2) You will be clear to the quality, price, payment terms, package, delivery time and make your purchase plan.
3) Once order confirmed, PI&SC issued and confirmed the exact delivery date within 1 day.
4) Cargoes in production, CIQ procedure and vessel reservation with ETD and ETA.
5) Professional Loading Report for your approval within 1 day after loading cargoes in container.  
6) Detailed shipping info provided same day of sailing date.
7) Documents copy sent by email within 2-3 days after sailing date.
8) Original documents sent by DHL or Telex release after documents copy approval within 2 days.
9) You will be informed of each step and receive the cargoes at the destination.

3. Professional Loading Report Service:
We have an external team inspecting the loading to guarantee all in good condition and one professional Loading Report of each shipment. Previous samples for your reference:Article illustration

4. Most Competitive Prices.
We have deep knowledge of the industry as well as a group of selected manufactures who are our united strategic partners.

5. Qualified Products.
We ship only guaranteed products which meet international standards and regulations.

6. Warehouse Business.
Keep stable supply for our customers in case of materials price fluctuating wildly.

Article illustration


Q: What is your payment terms?
A: We accept all payment terms including TT, LC, DP, CAD and Paypal.

Q: What is your delivery time?
A: Usually we will arrange the delivery within 5 -15 days.

Q: What is your packing? 
A: It depends on the products, we normally use standard package from our factory.
We can also arrange customized packages according to customers' requirements.

Q: What is the validity of the products? 
A: We guarantee that the cargoes have Min. 80% shelf life on the delivery date.

Q: How about your after-sale service?
A: We have profession team for loading, as well as the logistics team for documents. Our logistics team will send arrival notice for customers and keeping eyes for their feedback once received our cargoes. If any issue, we will solve it at once and our customers are always long term partners.


Company Profile Introduction

Aurora Industry Co., Ltd. (AUCO) is located in Dalian, a beautiful seaside city in northeast China. AUCO is performing as the exporter of high quality, verified food ingredients, animal feed raw materials and Vitamins, consists of a team more than 15 years professional experience along with a customer oriented understanding. In order to meet the high demand of our customers, we invested our own factory for Soya Lecithin production since 2019. Our aim is to supply affordable good quality products as well as high level of technical support to our customers.

You may like

Recommended supplier

Product name Price   Suppliers Update time
$42.00/100mg
VIP5Y
TargetMol Chemicals Inc.
2024-11-19
$0.00/5mg
VIP1Y
TargetMol Chemicals Inc.
2024-10-23
$100.00/1kg
VIP4Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-22
$999.00/5kg
VIP1Y
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
2024-08-20
$0.00/1KG
VIP1Y
Shaanxi TNJONE Pharmaceutical Co., Ltd
2024-03-28
$0.00/25KG
VIP5Y
Hebei Mojin Biotechnology Co., Ltd
2023-08-30
$50.00/1kg
Henan Bao Enluo International TradeCo.,LTD
2023-07-27
$0.00/1kg
VIP2Y
Hangzhou ICH Biofarm Co., Ltd
2023-06-15
$1600.00/1Kg/Bag
VIP4Y
XI'AN TIANGUANGYUAN BIOTECH CO., LTD.
2023-03-27
$200.00/1kg
Hebei Nafu Technology Co. , Ltd.
2022-11-07
  • Since: 2019-12-18
  • Address: No. 9-1 Haifu Road, Dalian Free Trade Zone, China (Liaoning) Pilot Free Trade Zone, Dalian
INQUIRY