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70849-86-4

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70849-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70849-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,4 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 70849-86:
(7*7)+(6*0)+(5*8)+(4*4)+(3*9)+(2*8)+(1*6)=154
154 % 10 = 4
So 70849-86-4 is a valid CAS Registry Number.

70849-86-4Relevant articles and documents

NEW COUMARINS FROM THE UMBELS OF SESELI SIBIRICUM

Banerjee, Sunil K.,Gupta, Bishan D.,Kumar, Raman,Atal, C. K.

, p. 281 - 284 (1980)

Three new coumarins, seselinal, sesibiricol and sibirinol, and 12 known coumarins have been isolated from the umbels of seseli sibiricum.The new coumarins have been characterized as 5,7-dimethoxy-8-(2-methyl-2-formylpropyl)-2H-1-benzopyran-2-one, 5-(3-methylbut-2-enyloxy)-7-methoxy-8-(2-hydroxy-3-methylbut-3-enyl)-2H-1-benzopyran-2-one and 5,7-dimethoxy-8-(2-hydroxy-3-methylbut-3-enyl)-2H-1-benzopyran-2-one, respectively.The known ones were identified as sesibiricin, isosibiricin, osthol, coumurrayin, sesebrin, sesebrinol, sibiricin, imperatorin, bergapten, xanthotoxin, isopimpinellin and mexoticin.Key Word Index - Seseli sibiricum; Umbelliferae; umbels; coumarins; 2H-1-benzopyran-2-one; seselinal; sesibiricol; sibirinol; isosibiricin; sesibiricin; osthol; coumurrayin; sesebrin; sesebrinol; sibiricin; imperatorin; bergapten; xanthotoxin; isopimpinellin; mexoticin.

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