Benzenemethanesulfenothioic acid, R-phenyl-, also known as R-(-)-α-methylbenzenemethanesulfenothioic acid or R-(-)-α-methylbenzyl mercaptosuccinic anhydride (MBMSA), is a chiral reagent used in the determination of enantiomeric excess (ee) in organic chemistry. It is a derivative of benzene, with a methanesulfenothioic acid group attached to the benzylic carbon. Benzenemethanesulfenothioic acid,R-phenyl- is particularly useful in the analysis of chiral compounds, as it can selectively react with one enantiomer over the other, allowing for the determination of the ee of a mixture. The R-phenyl-benzenemethanesulfenothioic acid is a valuable tool in the field of asymmetric synthesis and chiral analysis, providing a means to assess the purity of enantiomerically enriched products.

3492-67-9

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Basic information
1. Product Name: Benzenemethanesulfenothioic acid,R-phenyl-
2. Synonyms:
3. CAS NO:3492-67-9
4. Molecular Formula:
5. Molecular Weight: 232.37
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: Benzenemethanesulfenothioic acid,R-phenyl- (CAS DataBase Reference)
10. NIST Chemistry Reference: Benzenemethanesulfenothioic acid,R-phenyl- (3492-67-9)
11. EPA Substance Registry System: Benzenemethanesulfenothioic acid,R-phenyl- (3492-67-9)
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: 3492-67-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3492-67-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,9 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3492-67:
(6*3)+(5*4)+(4*9)+(3*2)+(2*6)+(1*7)=99
99 % 10 = 9
So 3492-67-9 is a valid CAS Registry Number.

3492-67-9Upstream product

109436-07-9 SS-(diphenylmethyl)acetyl dithioester

3492-67-9Downstream Products

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