Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1257204-50-4

Post Buying Request

1257204-50-4 Suppliers

Recommended suppliersmore

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

1257204-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257204-50-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1257204-50:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*0)+(3*4)+(2*5)+(1*0)=134
134 % 10 = 4
So 1257204-50-4 is a valid CAS Registry Number.

1257204-50-4Downstream Products

1257204-50-4Relevant articles and documents

In situ trapping of Boc-2-pyrrolidinylmethylzinc iodide with aryl iodides: Direct synthesis of 2-benzylpyrrolidines

Massah, Ahmad Reza,Ross, Andrew J.,Jackson, Richard F. W.

experimental part, p. 8275 - 8278 (2011/03/18)

Addition of (S)-(+)-tert-butyl 2-(iodomethyl)pyrrolidine-1-carboxylate to activated zinc, aryl halides, and a catalyst derived from Pd2(dba) 3 (2.5 mol %) and SPhos (5 mol %) in DMF allows trapping of the corresponding organozinc rea

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 1257204-50-4