Folinic acid-SF, also known as leucovorin, is a synthetic form of folinic acid, which is a naturally occurring form of folic acid. It is primarily used as a supplement to enhance the effectiveness of certain chemotherapy drugs, such as methotrexate, by counteracting their toxic effects on healthy cells. Folinic acid-SF works by providing a source of reduced folate, which is essential for the synthesis of DNA and RNA, and is particularly important for rapidly dividing cells. This helps to protect normal cells from the harmful effects of chemotherapy while allowing the drugs to target cancer cells more effectively. Additionally, folinic acid-SF is sometimes used to treat folic acid deficiency and certain anemias.

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Basic information
1. Product Name: Folinic acid-SF
2. Synonyms: Folinic acid-SF;1492-18-8 (Calcium (1:1) salt);42476-21-1 (Mono-hydrochloride salt);6035-45-6 (Calcium (1:1) salt, penta-hydrate);Acide folinique;Einecs 200-361-6
3. CAS NO:641-41-8
4. Molecular Formula: C20H23N7O7
5. Molecular Weight: 473.43932
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 641-41-8.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Folinic acid-SF(CAS DataBase Reference)
10. NIST Chemistry Reference: Folinic acid-SF(641-41-8)
11. EPA Substance Registry System: Folinic acid-SF(641-41-8)
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: 641-41-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 641-41-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 641-41:
(5*6)+(4*4)+(3*1)+(2*4)+(1*1)=58
58 % 10 = 8
So 641-41-8 is a valid CAS Registry Number.

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