Welcome to LookChem.com Sign In|Join Free

CAS

  • or

20380-16-9

Post Buying Request

20380-16-9 Suppliers

Recommended suppliersmore

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

20380-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20380-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,8 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20380-16:
(7*2)+(6*0)+(5*3)+(4*8)+(3*0)+(2*1)+(1*6)=69
69 % 10 = 9
So 20380-16-9 is a valid CAS Registry Number.

20380-16-9Relevant articles and documents

SYNTHESIS OF THE 21-ACETATE OF SUBSTANCE S FROM 17α-HYDROXYPROGESTERONE

Ryakhovskaya, M. I.,Popova, E. V.,Andryushina, V. A.,Grinenko, G. S.

, p. 839 - 842 (2007/10/02)

-

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 20380-16-9