Welcome to LookChem.com Sign In|Join Free

CAS

  • or

408357-91-5

Post Buying Request

408357-91-5 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

408357-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 408357-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 408357-91:
(8*4)+(7*0)+(6*8)+(5*3)+(4*5)+(3*7)+(2*9)+(1*1)=155
155 % 10 = 5
So 408357-91-5 is a valid CAS Registry Number.

408357-91-5Relevant articles and documents

Carotenoids and related polyenes. Part 7. Total synthesis of crassostreaxanthin B applying the stereoselective rearrangement of tetrasubstituted epoxides

Tode,Yamano,Ito

, p. 3338 - 3345 (2007/10/03)

(3R,3′S)- and (3R,3′R)-Crassostreaxanthin B isomers are synthesized by application of the stereoselective rearrangement of tetrasubstituted epoxides 5a,b. As a result, the absolute configuration at C-3′ of 1 is determined to be S.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 408357-91-5