Welcome to LookChem.com Sign In|Join Free

CAS

  • or

137918-81-1

Post Buying Request

137918-81-1 Suppliers

Recommended suppliersmore

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

137918-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137918-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,1 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137918-81:
(8*1)+(7*3)+(6*7)+(5*9)+(4*1)+(3*8)+(2*8)+(1*1)=161
161 % 10 = 1
So 137918-81-1 is a valid CAS Registry Number.

137918-81-1Downstream Products

137918-81-1Relevant articles and documents

Nucleophilic aromatic substitution reactions under aqueous, mild conditions using polymeric additive HPMC

Ansari, Tharique N.,Borlinghaus, Niginia,Braje, Leon H.,Braje, Wilfried M.,Handa, Sachin,Ogulu, Deborah,Wittmann, Valentin

supporting information, p. 3955 - 3962 (2021/06/17)

The use of the inexpensive, benign, and sustainable polymer, hydroxypropyl methylcellulose (HPMC), in water enables nucleophilic aromatic subsitution (SNAr) reactions between various nucleophiles and electrophiles. The mild reaction conditions facilitate a broad functional group tolerance that can be utilized for subsequent derivatization for the synthesis of pharmaceutically relevant building blocks. The use of only equimolar amounts of all reagents and water as reaction solvent reveals the greenness and sustainability of the methodology presented herein.

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 137918-81-1