Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1621311-40-7

Post Buying Request

1621311-40-7 Suppliers

Recommended suppliersmore

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

1621311-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1621311-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,3,1 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1621311-40:
(9*1)+(8*6)+(7*2)+(6*1)+(5*3)+(4*1)+(3*1)+(2*4)+(1*0)=107
107 % 10 = 7
So 1621311-40-7 is a valid CAS Registry Number.

1621311-40-7Downstream Products

1621311-40-7Relevant articles and documents

Reactions of 17-chloro-16-formylandrosta-5,16-diene with thiohydrazides of oxamic acids

Zavarzin,Antonov, Ya. S.,Chernoburova,Shchetinina,Kolotyrkina,Shashkov

, p. 2626 - 2627 (2013)

Reactions of thiohydrazides of oxamic acids with 17-chloro-16- formylandrosta-5,16-diene give the corresponding thiohydrazones at the formyl group. Their subsequent reactions with alkali (het)arenethiolates yield 17-het(aryl)thio derivatives, being accomp

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 1621311-40-7