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1332645-34-7

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1332645-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1332645-34-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,2,6,4 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1332645-34:
(9*1)+(8*3)+(7*3)+(6*2)+(5*6)+(4*4)+(3*5)+(2*3)+(1*4)=137
137 % 10 = 7
So 1332645-34-7 is a valid CAS Registry Number.

1332645-34-7Downstream Products

1332645-34-7Relevant articles and documents

N-heterocyclic carbene-catalyzed cyclization of unsaturated acyl chlorides and ketones

Shen, Li-Tao,Shao, Pan-Lin,Ye, Song

, p. 1943 - 1948 (2011/10/13)

A straightforward synthesis of optically active trifluoromethyl dihydropyranones and spirocyclic oxindole-dihydropyranones has been realized by the chiral N-heterocyclic carbenes-catalyzed cyclization of α,β- unsaturated β-methylacyl chlorides with activated trifluoromethyl ketones or isatin derivatives. Copyright

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