Di-[2]naphthyl-carbodiimide, also known as DNBC or DNP-NCS, is a chemical compound with the formula C22H14N4. It is a white crystalline solid that is widely used in organic synthesis as a coupling reagent. DNBC is particularly effective in the formation of peptide bonds, where it activates carboxylic acids for reaction with amines, leading to the formation of amides. It is also used in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. The compound is known for its high reactivity and selectivity, making it a valuable tool in the field of peptide chemistry and other areas of organic synthesis.

742-50-7

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Basic information
1. Product Name: di-[2]naphthyl-carbodiimide
2. Synonyms:
3. CAS NO:742-50-7
4. Molecular Formula:
5. Molecular Weight: 294.356
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: di-[2]naphthyl-carbodiimide(CAS DataBase Reference)
10. NIST Chemistry Reference: di-[2]naphthyl-carbodiimide(742-50-7)
11. EPA Substance Registry System: di-[2]naphthyl-carbodiimide(742-50-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 742-50-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 742-50-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 742-50:
(5*7)+(4*4)+(3*2)+(2*5)+(1*0)=67
67 % 10 = 7
So 742-50-7 is a valid CAS Registry Number.

742-50-7Upstream product

742-50-7Downstream Products

1636-33-5 2-naphthyl isothiocyanate

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