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1211939-75-1

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1211939-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1211939-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,9,3 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1211939-75:
(9*1)+(8*2)+(7*1)+(6*1)+(5*9)+(4*3)+(3*9)+(2*7)+(1*5)=141
141 % 10 = 1
So 1211939-75-1 is a valid CAS Registry Number.

1211939-75-1Upstream product

1211939-75-1Downstream Products

1211939-75-1Relevant articles and documents

A concise enantioselective synthesis of (-)-ranirestat

Trost, Barry M.,Osipov, Maksim,Dong, Guangbin

, p. 1276 - 1279 (2010)

Chemical Equation Presented A concise enantioselective synthesis of the potent aldose reductase inhibitor ranirestat (1) is reported. The synthesis was accomplished employing inexpensive, commercially available starting materials. A palladium-catalyzed asymmetric allylic alkylation (Pd-AAA) of malonate 4 was utilized as a key transformation to construct the tetrasubstituted chiral center in the target.

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